Coconut and Purple Sweet Potato Soup

Blue food. The very notion conjures up thoughts of sweets and food colouring – neither of which are particularly appealing. This reaction most likely arises from the fact that there are almost no naturally blue foods so eating something with such an unnatural colour can be a little unsettling. The closest that nature comes to presenting us with blue food are the butterfly pea flower (which isn’t eaten itself, just used for its dye) and purple plants.

Most naturally occurring purple foods contain the indicator anthocyanin. This is what gives red cabbage, blueberries, blackberries, purple sweet potato and even black rice their colour. Anthocyanins are red in acidic solutions and dark purple and blue in more neutral ones. The colourful nature of anthocyanins has lead to their popularity among chefs who like to employ a bit of pageantry in their cooking. With only a few drops of vinegar or lemon juice, food and drink can be made to change colour in front of the consumer’s eyes leading to an exciting meal (which can also cost a lot of money).

The purple sweet potato has a vibrant purple colour which stems from the high concentration of anthocyanins in its flesh. When boiled, the colour darkens, becoming closer to navy blue, as boiling water is slightly more acidic than cold water and the indicator in the sweet potato reacts accordingly. As a result, the majority of recipes using purple sweet potatoes will tell you to bake the potato and then scoop out the cooked flesh, as this way none of the colour is lost. You also don’t lose any of the flavour which is important as there are a lot of subtle undertones which can be easy to miss if all the taste is cooked out of the potato. As they have such a sweet flavour, purple sweet potatoes are commonly used in desserts and not savoury dishes. Cakes, tarts, swiss rolls and even bubble tea have all benefitted from the taste and colour of purple sweet potatoes and, because of this, the sweet potato has become one of the most versatile ingredients you can use.

The recipe below can of course be made with normal orange sweet potato or even with white sweet potatoes if you can get your hands on them. I imagine a small trio of soups, one with each of the different potatoes, would be both visually and gustatorily fantastic – though I’m sure that the contestants on Come Dine With Me would say that it’s still too simple, even with the homemade bread that you spent the day baking. Either way, the soup is delicious and I hope you like it as much as I did.

 

Purple Sweet Potato and Coconut soup

Time: 45 minutes

Serves: 7/8

Cost per portion: around 35p

 

2 large purple sweet potatoes

2 medium onions

3 cloves garlic

2 tbsp chopped ginger

1 medium spicy chilli

400ml coconut milk

500-750ml vegetable stock

3 tbsp vegetable oil

 

Chop the potatoes into quarters lengthwise, place onto a baking tray and drizzle with two tablespoons of the oil.

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Bake for half an hour at gas mark 6.

While the potatoes are baking, dice the onion. This doesn’t have to be super fine as the soup will be blended later.

Place the onion into a pan with the remaining oil and saute until it is translucent.

Roughly chop the garlic and chilli and add them to the onions along with the ginger.

Fry until the garlic and ginger become fragrant and then add the coconut milk and 500ml of the vegetable stock.

Once the mix is boiling, reduce the heat and simmer the soup until the potatoes finish cooking in the oven.

 

Remove the potatoes from the oven and let them rest for a few minutes until you can touch them without burning yourself.

Peel off the skins which should have released during cooking.

Chop the potato into chunks and add it to the soup – if it is not quite soft yet, let it simmer in the soup for five minutes or so.

Using a stick blender, blend the soup until it is smooth.

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Slowly add the remaining stock until the soup reaches the desired consistency. I like it to be thick enough to coat a spoon – similar to the thickness of double cream.

 

This soup is really filling and really tasty so it will go a long way. It’s also super vibrant and, if you make it with purple sweet potatoes its colour is phenomenal. Extra portions shouldn’t be an issue as the soup freezes well so you can just grab a portion and whack it in the microwave for a quick meal.

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I hope you enjoyed the recipe, if you are a fan of soups, you should definitely check out my curried sweet potato soup or my butternut squash soup. If you are looking for something a little bit sweeter, why not treat yourself and make a honey cake?

Have a good one and I will see you next week with a recipe for an amazing unicorn cake.

H

Onion Soup

I have found that whatever I am making for dinner, my recipes tend to start out the same way: dice/slice/cube the onion and lightly sauté it in a pan. Onions are a great way to bulk out a dish and add a wonderful flavour but they are rarely showcased as the main ingredient. This is a massive shame as onions are delicious and deserve to be shown the respect they are due.

The origin of the onion is not well known as the original wild onion variety is now extinct – and has been for some time. The cultivated version that we know today has been around for over five millennia and has been cultivated by different cultures around the world over this time period.

One of the most famous traits of the onion is that cutting onions makes you cry. This is an evolutionary defence mechanism in which damage to the flesh of an onion starts a chain reaction in which enzymes within it cause the production of syn-Propanethial-S-oxide – or as normal people call it, “the stuff that makes you cry”. This gas irritates our eyes when we cut onions but more importantly for the plant, if it gets attached by pests whilst growing, the gas makes it painful to eat the onion so the pests will move onto a different plant. The gas is sulphur based and the majority of the sulphur in an onion is located near the root end. This is why people advise not cutting off the bottom end of an onion until you have cut up the rest of it as this will reduce the irritation on your eyes. Another interesting thing about this onion based tear gas is that if you cut up enough onions, your eyes will get used to it and you will stop crying – you can actually become immune!

Onions make a great star ingredient for many vegetarian dishes. French onion soup – for which the recipe is given below – is a fantastic example of this. It’s warm, filling, packed full of flavour and completely vegetarian (even vegan if you replace the butter with olive oil). Onion tarts are another popular dish. I am very partial to a tart we make at home which has red onions and balsamic vinegar with a little cheese and a scone like base. Goats cheese and red onion are another classic pairing. Of course we cannot forget one of the most popular forms of the onion – the pickled onion. Soaked in a spiced vinegar, these are often served as a side dish, are popular in sandwiches and together with cheese, bread and sometimes ham, make the Ploughman’s lunch.

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The photo isn’t the best as it’s from about seven years ago but the taste of this onion tart is simply stunning.

I hope you enjoy the recipe and that it opens the onion up to far more possibilities in your kitchen.

 

 

 

Onion Soup

Prep time: 10 minutes

Cook time: 90 minutes

Serves 4

Cost per serving: around 60p

 

 

3 medium onions

3 cloves garlic

2 tbsp olive oil

25g butter

3 tsp sugar

1/4 cup (60ml) cooking sherry

750ml vegetable stock

Salt and pepper to taste

 

 

Thinly slice the onions and add them to a pan with the oil and the butter.

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Lightly sauté until the onions are translucent.

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Finely crush the garlic and mix it in along with the sugar.

Allow to caramelise for at least three quarters of an hour stirring every fifteen minutes.

Add the sherry and simmer for another fifteen minutes.

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Stir in the stock and cook for another half hour to allow the flavours to meld.

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Serve with croutons or crusty bread for dipping.

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This soup keeps well in the fridge – but never seems to last longer than 48 hours in my house anyway.

I hope you enjoyed the recipe. If you are a big fan of soups, check out how to make my butternut squash, curried parsnip or tomato and red pepper soups or if you prefer sweet dishes to savoury ones, why not try to master the art of macarons?

Have a good one and I’ll be back next week with a classic British biscuit.

H

 

Pea Soup

Pea soup is fantastic. Its fresh taste and bright colour make for an amazingly summery dish which is light and silky to eat. The additional effort required to strain the soup is most definitely worth it as it results in a smooth, velvety mouth feel; garnishing with a little herb oil (mint, thyme or garlic work best) gives a delicious, restaurant standard dish for very little extra effort.

Peas have been cultivated for almost 7000 years with records of them reaching back to the 5th millennium BCE in Egypt where they grew in the river delta of the Nile. Over the next few thousands of years, peas slowly migrated all over Asia. By the Middle Ages, the pea had made its way to Europe and nowadays they are everywhere.

The legume family, of which peas are a part, has formed a huge part of the human diet for millennia. From soya and broad beans to liquorice and peanuts, legumes permeate our lives and not just in their edible forms. Pernambuco, more commonly known as brazilwood outside of the classical music world, belongs to the same family as the common pea but is one of the most valuable woods on the planet with top end violin bows (which weigh less than 100g) costing thousands if not tens of thousands of pounds. Pernambuco was so in demand that there are currently severe restrictions on the cutting down and exportation of the wood to let the population replenish after years of over-harvesting.

Retuning from that tangent, there are several different species in the fabaceae family which are eaten; one of the most interesting to me is the butterfly pea. This strain is more known for its flowers than the peas it produces as the flowers are a vibrant shade of blue. They are used in teas along with other foods but the most fascinating thing is that the blue dye contained in them is an indicator. When in the presence of an acid (such as lemon juice) the dye turns from a deep blue to a bright pink. As a result of this, the butterfly pea flower has become incredibly popular in molecular gastronomy and in gimmicky drinks such as blue gin which turns a lurid shade of pink when the tonic is added.

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Butterfly pea flower tea with with lemon (left) and without lemon (right).

The soup recipe below gives a way for the flavour of the pea to shine through. It is very easy to overpower it with stock (a mistake you will make only once) but it is simple to prepare and will wow you and any guests you serve it to. Like any vegetable soup I make, I love to serve it with something bready for dipping. This time, I tried making green onion flatbreads which were delicious but it would probably have been easier to buy some nice sourdough from the local market. I also like to garnish my soups with a little flavoured oil and this time, I infused a little bit of olive oil with garlic and thyme by warming it gently and then letting the oil cool before straining out the solids. The thyme really does lift the soup to the next level!

I hope you like the recipe!

 

 

 

Pea Soup

Serves 4 or 5

Prep time: 5 minutes

Cook time: 20 minutes

Cost per portion: around 25p

 

1 tbsp olive oil

1 large onion

2 large garlic cloves

1 litre weak vegetable stock (make it up to half strength as you don’t want to overpower the taste of the peas)

500g peas (fresh or frozen)

Pinch of sugar

1 teaspoon of chopped fresh thyme (optional)

Salt and pepper

 

Thinly slice the onion and place into a large pan with the oil.

Add the garlic and sauté for five to eight minutes until the onion goes soft.

Add the stock and bring to the boil.

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Once the stock is boiling, pour in the peas and cook for two/three minutes – check the peas to see if they are cooked through.

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When the peas are cooked, liquidise in a jug blender or using an immersion (stick) blender.

Strain through a fine metal sieve a cup at a time. Use a spoon to push the blended soup through the sieve and you will be left with a thick mush comprised of the pea skins which can be discarded.

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Season with salt and pepper and serve piping hot with bread for dipping.

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I hope you enjoyed the recipe. If you like soup, you should check out my recipes for butternut squash, curried parsnip and red pepper and tomato soups or if you would rather have something sweet, check out my recipe for lemon drizzle cake.

Have a good one and I’ll see you next week with a recipe for a delicious apple crumble.

H

 

Tomato and Red Pepper Soup

“Knowledge is knowing a tomato is a fruit. Wisdom is not putting it in a fruit salad” – Miles Kington

The same could be said of the bell pepper. The entire family of peppers (bell peppers, chillies etc.) are technically fruits but you would never see them on a dessert platter – except possibly in some ‘ground-breaking’, edgy restaurant. I guess potentially I could be marketing this recipe as a smoothie bowl but let’s be realistic, it’s just soup.

I have a very mixed relationship with peppers. I’m not a huge fan of the texture but I do quite like the taste so turning them into soup seemed like a perfect solution to my problem. Obviously as I was also using tomatoes, red peppers were the obvious choice for a bright, vibrant soup but if you don’t like tomatoes, pepper soup is also very tasty and can be made in a wide range of colours. Peppers come in more than the standard four varieties (red, orange, yellow and green); you can also find them in white and both light and dark shades of purple. Purple isn’t a colour that appears in many dishes as there isn’t a wealth of naturally purple food out there so a bowl of bright purple soup is really exciting!

Peppers differ from their spicy counterparts as they exhibit a recessive trait – they do not produce capsaicin. This is the molecule responsible for the burning sensation when eating chilli. It is a strong irritant and is very hydrophobic so is not affected by water at all. This means rinsing your mouth with water will do nothing to alleviate the heat from chillies but milk (which is an emulsion of fat in water) can help relieve the pain. For the same reason, washing your hands with just water after chopping chillies will not remove the capsaicin so it is still dangerous to rub your eyes but using soap – something designed to bond to both water and fats – will help clean the capsaicin off your skin. Interestingly for the same reason, even bleach will not remove capsaicin but oil will so swilling your mouth out with oil, whilst gross, will remove the heat. In the same vein, capsaicin is soluble in alcohol so rinsing with vodka or another spirit would also help alleviate the pain but do not swallow it as this just moves the capsaicin to an area which you can’t clean as easily. Of course you can then proceed to wash your mouth out with water which will remove the remaining vodka.

The difference between red/yellow/orange peppers and green peppers is time. All peppers start out green and as they ripen they change colour. As a result, red peppers are sweeter than their green counterparts although you can get some varieties which stay green even when fully ripe. This means you can make soups of all shades.

I hope you enjoy the recipe!

Tomato and Red Pepper Soup:

Serves 6

Time: 1 hour

Cost per portion: about 50p

Ingredients:

3 large red peppers

6 medium tomatoes

1 medium to large onion

2 cloves garlic

500ml vegetable stock

2 tbsp tomato paste

Salt and pepper

Olive oil

For cheese tuiles, grate 200g cheddar or parmesan.

Preheat the oven to gas mark 6 (2000C).

Halve the tomatoes, remove the seeds and stalks from the peppers and place on a baking tray.

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Drizzle with olive oil, season with a little salt and pepper.

Roast the vegetables in the oven for half an hour. Give them a mix halfway through to ensure nothing burns and everything is roasted evenly.

Once the peppers and tomatoes have been cooking for 20 minutes, roughly chop the onion and the garlic.

Add two tablespoons of olive oil to a large pan and start to fry the onions and garlic.

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When the peppers and tomatoes have finished in the oven, add them to the pan with the onions.

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Add the stock and simmer for fifteen minutes.

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Using a stick or jug blender, blend the soup until it is smooth.

Season with salt and pepper to taste.

To make the cheese tuiles, decrease the oven to gas mark 5 (1900C).

Arrange circles of cheese on baking parchment or a silicone mat.

Bake for 5 minutes until the tuiles are pale gold and lacey looking. Make sure they do not turn too dark as this will make them taste bitter!

Serve the soup hot with a drizzle of cream, a few tuiles and a little fresh coriander.

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This soup is ideal as it freezes very well and can be kept in the fridge for several days. It makes a perfect lunch when you’re in a hurry and tastes delicious.

If you really love your soup, I have posted recipes for both butternut squash and curried parsnip soup so you should check those out. If you are looking for a more substantial meal, why not try out a beef stir-fry or for a delicious dessert (which is simple to make vegan), treat yourself to an apple tart!

Have a good one and I will be back next week with my foolproof meringue recipe.

H

Curried Parsnip Soup

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Hello everyone and happy new year! When I started this blog four months ago I genuinely wasn’t sure if it would still be going at this point but I am happy to say that it’s still going strong. I hope 2017 wasn’t too hard on any of you and 2018 will keep getting better.

Vegetable soups are a fantastic item to have in your cookery repertoire. They are perfect for a quick and easy starter and will impress anyone you cook them for (it doesn’t take much to give them a professional finish). Not only are they healthy, they are very cheap which makes them ideal to cook on a student budget. Once you have the basics down, you can start adding new ingredients to spice the soup up and really start to show off.

Parsnips have been around for thousands of years. They have been cultivated since the Roman era however they were generally interchangeable with carrots back then. The same word (pastinaca) was often used to refer to both carrots and parsnips and back then, carrots were not the orange ones we know today but were either purple or white. If left in the ground over winter, the cold causes some of the starches within the parsnip to break down into sugar giving it a sweeter flavour. For this reason, parsnips (like carrots) were used as a sweetener before cane and beet sugar became readily available.

One thing of note is that fresh parsnips should be handled with care. The leaves growing from the top produce a toxic sap which reacts in sunlight to form chemicals that can lead to phytophotodermatitis. The condition is not an allergic reaction but more of a chemical burn which causes rashes, blisters and can leave skin discoloured for up to two years. Luckily when you buy parsnips from the shop, they tend to have the leaves cut off so this isn’t an issue for most people.

I am a huge fan of soups at university as they can be prepared in advance and then freeze very well. You can pop them out of the freezer and have a meal ready to eat in no more than 10 minutes! I normally use medium curry powder but you can use any strength though I would recommend only putting one tablespoon in if you like a milder flavour and then adjust it to what you like.

 

Curried Parsnip Soup

Cook time: 45 minutes         Serves: 7           Price per portion: 15p

650g peeled parsnips

1 large onion

3 cloves garlic

1 litre weak vegetable stock

2 tbsp curry powder

Olive oil

Salt and pepper

Preheat the oven to gas mark 6 (2000C).

Chop the parsnips up into chunks and place on a baking tray. Drizzle over a little oil and season with salt and pepper. Roast for 20 minutes, stirring half way through.

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Finely slice the onion into half moons.

Fry the onion in a large pan with a tablespoon of olive oil.

When the onion has turned translucent, roughly chop the garlic and add that along with a tablespoon of the stock – this will boil off and help cook the onion and garlic before the garlic can catch.

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Add the roasted parsnip to the pan and stir through the curry powder and cook for another minute.

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Add the stock and simmer for 20 minutes.

Remove the soup from the heat and blend the soup to a homogeneous mixture. Once it looks blended, continue for another minute making sure to get any bits of oil which may float on the top. This will give the soup a lovely creamy texture.

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Serve with bread. You can garnish the soup with a drizzle of cream, a sprinkle of curry powder or even vegetable crisps.

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I hope you enjoyed this recipe. Let me know how it turns out for you and drop me a tag on Instagram as I love to see what you guys make! If you fancy a sweet treat – why not try you hand at making a Yule Log (they aren’t just for Christmas) or even make yourself a three course meal starting with parsnip soup and progressing to a rich Beef Wellington for main?

Have a good one and I’ll be back next week with a recipe for delicious, crunchy brandy snaps!

H

Butternut Squash Soup

This week took a turn for the cold. With the promise of warm air being bought from Ex-Hurricane Ophelia, we were looking forward to at least a bit less of a bite in the air however up in Durham, it’s just got colder and colder. One of the upsides of the cold is that it’s now soup season! When you are feeling cold after walking home from work or just a bit under the weather, soup is a wonderful pick me up that is really easy the make and incredibly warming.

I am a huge fan of butternut squash soup owing to its simplicity to make and also how delicious it is. You can get 6 portions from one recipe which is ideal as the soup freezes very well and can be whipped out, defrosted and reheated in the span of 15 minutes for a quick and easy dinner. It is also perfect for a starter when entertaining as soup is very easy to spruce up to give a posh finish. I tend to use a teaspoon of cream, a little chilli oil and some chilli flakes as I really like spicy food and the three garnishes give a professional look to the dish.

Another benefit of soup is that you can dip bread in it. Fresh bread – still warm from the oven – is the perfect item for dipping. It makes the whole meal special and just adds to the experience. I try to make soup at university as it is very cheap to make and takes very little effort which is good when I am tired at the end of a week. The recipes are very transferable and you can substitute in different vegetables of your choice to make the soup your own.

Butternut Squash Soup

Servings: 6 – Cost per serving: about 50p – Prep Time: 20 minutes – Cook time: 30 minutes

1 large or 2 small butternut squash

2 onions

1 litre vegetable stock – made to half strength

2 cloves garlic – minced

Salt and Pepper

Olive oil

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They only had small butternut squashes in the shop so I had to use two 😦

Preheat the oven to gas mark 6 (2000C).

Slice the butternut squash into 1-2 cm thick slices and arrange on a baking tray.

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Grind some pepper and and sprinkle some salt over the butternut squash, drizzle with olive oil and place into the oven for half an hour, turning halfway through.

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After it’s cooked, the butternut squash will go slightly darker and translucent

About ten minutes before the squash comes out of the oven, roughly chop the onions and fry them in a large pan over a medium heat until they start to turn translucent – add the minced garlic.

Remove the squash from the oven and add to the onions.

Pour in the stock and simmer for 10 minutes to make sure all the vegetables are cooked

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Let cool for a few minutes and then blend until smooth.

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I ended up blending the soup in batches as the blender wasn’t big enough for it all. Alternatively you can use a stick blender!

Add salt, pepper and more stock powder (dry) to taste

Enjoy hot with some bread and a sprinkle of chilli flakes

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Let me know if you try this at home – you can find me on Instagram @thatcookingthing. If you enjoy simple recipes, why not try my macaroni cheese or if you are looking for something a bit sweeter, try your hand at making a Battenberg cake. It’s easier than you would expect!

Have a good one and I’ll see you next Monday with a recipe for an amazing tiramisu cake!

H