A delicious, vibrant and healthy soup, just 7 ingredients go in to this Kale Soup. Less than 20 minutes to cook, this is a great way to have an iron boost and get more kale in your diet. Think you don't like kale? This soup will change your mind! Gluten free and vegetarian, it is just 300 calories for a huge filling portion.
We could all do with some more greens in our diet, right? This kale soup is not only super nutritious (hello iron packed kale), but it is smooth, creamy and delicious. Even family members that apparently "don't like kale", loved this soup.
This low in fat soup is really hearty and filling, as the kale is blended with potatoes to bulk it out. It's definitely the kind of soup you need on a cold winter day, when you need a vegetable boost. Even better, is it is quick and easy to make too. Homemade soup doesn't have to be complicated!
Looking for more ways to get some kale in your diet? Why not try our Kale Smoothie, Air Fryer Kale, Kale Crisps (such a delicious salty snack) or Kale, Watermelon and Feta Salad?
Why you will love it
- Quick and easy - This kale soup is so simple to make. Just dump it all in the pan and let it cook away before blending. It only takes 20 minutes too.
- A delicious way to eat kale - Not sure what to do with kale? This is a great place to start, as it's all blended up so it's nice and creamy. Probably the tastiest way to eat kale.
- Healthy - This is super nutritious, but also low in calories and fat.
- Filling - When you hear nutritious and low in calories you probably think it won't be filling. But this really is, as it's packed with potatoes too.
- Oil - We used olive oil to cook everything in.
- Onion and celery - This is the base of the soup and gives it a really lovely flavour. Save yourself some time and use frozen onion instead.
- Potato - This is what makes the soup really filling. You can use any type of white potato, which makes it a budget friendly soup.
- Garlic - Just a little bit adds a lot of flavour. Fresh is always best, however you could use frozen garlic of crushed garlic in a tube if you prefer.
- Kale - The star of the soup. We used curly green kale.
- Stock - Try to use the best quality stock you can, as you really will be able to taste the difference. We used vegetable stock to keep this vegetarian, but you could use chicken stock which you have a richer flavour.
- Milk - This makes the soup lovely and creamy. You could leave it out though if you prefer.
- Salt and Pepper
A full ingredients list with measurements is in the recipe card below.
Step by step
One: Heat the oil in a large pan and add the potato, onion, garlic and celery. Sauté until softened - about 4 minutes.
Two: Add the kale and stock. Simmer for 15 minutes.
Three: Blend until smooth. Add the milk and salt and pepper and stir in.
Health benefits of kale
Kale might just be one of the most nutrient dense foods on the planet, which is why it is often referred to as a "superfood". A member of the cabbage family, kale is a cruciferous vegetable like cabbage, broccoli, cauliflower, collard greens and Brussels sprouts.
There are many different types of kale. The leaves can be green or purple, and have either a smooth or curly shape - we used green curly kale in this recipe, which is what gives it the vibrant green colour. If you used a mixture of purple and green, you might get more of a brown colour.
Kale is a great source of vitamins A, B6, C and K (one of the best sources there is), as well as manganese, iron and calcium. Not only is it nutrient dense, but it is low in calories and fat too. Kale, like other leafy greens such as spinach, is very high in antioxidants. Antioxidants are substances that help counteract oxidative damage by free radicals in the body. Oxidative damage is believed to be among the leading drivers of ageing and many diseases, including cancer.
This soup is pretty simple, and that's how we like it. There isn't a whole lot of room to change things around, as there are minimal ingredients. However, you could swap half the kale for spinach.
You could also serve some grated parmesan on top, which would add some extra creaminess when stirred in. You can swap the white potatoes for sweet potatoes, but that would really change the colour.
What to serve with kale soup
To give the kale soup a bit of texture, you could serve it with some crunchy croutons on top. We make our own easy croutons by chopping up some bread in to squares and drizzling over a little olive oil and a sprinkle of garlic granules and dried herbs. Put them in the oven for about 5 minutes to crisp up. Perfect for adding to soups and salads.
You could keep it simple and serve the soup with some French bread fresh from the oven. Garlic bread is also great to dip in it, and that is a favourite with our kids.
You can't beat homemade bread, so why not serve this kale soup with our Garlic and Rosemary Focaccia, Easy Bagels or Easy White Bread.
Frequently Asked Questions
The colour of the soup will depend on using the right amount of kale, and also how fresh it is. The fresher the kale, the more vibrant the colour will be.
To make this soup vegan, just swap the milk for a dairy free version like almond milk. Coconut milk would work too, but it would give it a coconut flavour.
As long as you make sure that the stock is gluten free and there is no cross contamination, then this is a delicious gluten free soup.
Yes, you can make this in advance and then leave it to cool in the pan, cover and refrigerate the whole pan. Then, when you want to serve it you can put the whole pan (uncovered) on the hob and heat it through.
If you have leftovers of this soup, it will store in an air tight container in the fridge for up to 2 days.
Yes, this soup freezes really well. We usually make a double portion and either save some for the kids or we wait until it has cooled, put in freezer bags and then lay it flat in the freezer. To defrost, simple take out of the freezer and leave to defrost thoroughly. You can then heat it through in a pan.
If your soup is too thick, then you may have cooked it at too high a temperature. Simply add a little more stock until it is the desired consistency. Equally, if it is too thin that you might not have had the heat high enough. Let it simmer a little longer to thicken up. Adding the milk should help to thicken it up too.
• We have used vegetarian stock to keep this soup vegetarian, however you could swap it for a really good quality chicken stock to give it a richer flavour.
• If you are making this for your children, then use a low salt stock and don't season the whole soup, just do individual bowls if wanted.
• If you want to make this look more presentable, then you can reserve some of the sautéed kale and then serve them on top of the soup with herbs.
• You don't have to add the milk, as the potatoes as really creamy. However we feel it gives it something a little bit special.
• If you are using a jug blender to blend this soup, then wait until it has cooled first as you could crack the jug if it is too hot.
• Make this soup more indulgent by sprinkling some cooked chopped bacon on top.
More vegetarian soup recipes
If you’ve tried this kale soup recipe, let us know how you got on in the comments below.
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- 1 tablespoon Olive oil
- 1 Onion - diced
- 1 rib Celery - diced
- 350 g (12 oz) Potato - diced
- 2 Garlic clove - crushed
- 200 g (7 oz) Kale
- 750 ml (3 cups) Vegetable stock
- 125 ml (0.5 cups) Whole milk
- 1 pinch Sea salt and black pepper
- Heat 1 tablespoon Olive oil in a large pan and add 350 g Potato, 1 Onion, 2 Garlic clove and 1 rib Celery. Sauté until softened - about 4 minutes.
- Add 200 g Kale and 750 ml Vegetable stock. Simmer for 15 minutes.
- Blend until smooth. Add 125 ml Whole milk and 1 pinch Sea salt and black pepper and stir in.
- We have used vegetarian stock to keep this soup vegetarian, however you could swap it for a really good quality chicken stock to give it a richer flavour.
- If you are making this for your children, then use a low salt stock and don't season the whole soup, just do individual bowls if wanted
- If you want to make this look more presentable, then you can reserve some of the sautéed kale and then serve them on top of the soup with herbs.
- You don't have to add the milk, as the potatoes as really creamy. However we feel it gives it something a little bit special.
- If you are using a jug blender to blend this soup, then wait until it has cooled first as you could crack the jug if it is too hot.
- Make this soup more indulgent by sprinkling some cooked chopped bacon on top.
Healthy soup in 20 minutes? I'm in! I'm always looking for ways to eat more green veggies.
This was such a creamy and hearty soup! Just perfect! Comes together quickly too!
Loved this healthy soup! Ate half and froze the other half for later!
MY kind of soup. Vibrant colors, lots of flavor and good for you.
GUSTAVO DE OBALDIA
I am such a heavy kale consumer, but I never thought of making a soup with it! This sounds delicious! I'll definitely give this a try; I am sure it is a good as all the recipes you share with us!
I have never had kale but this convinced me to give it a go
My friend knows I adore Kale and she sent me your recipe. I made it last night and man, oh, man it was so delicious. And even though I have some leftover, I can't wait to make it again.
I have some kale I need to use up so this recipe came at the perfect time! Can't wait to make this soup all winter long!
I always have kale in the fridge. Adding it to soup is so delicious, not to mention healthy. Love the sound of this kale recipe.
Really love this nutritious soup! The creaminess from the potatoes is perfect. Used plant based milk to keep it dairy free and it was delicious!
Wow! I have never even thought about making that. My daughter is going to love this. She is a huge kale lover.
Looks like we both have kale on the brain! :) Looking forward to trying this recipe soon - sounds delish!
Delicious and creamy and definitely healthy too. Would love to try this unique soup for Dinner this weekend.
I LOVE kale in soup - really delicious and makes me feel like I'm being super-healthy! Bookmarked to try this week - thanks!
Such a healthy and colourful soup. The perfect winter warmer.