How to thicken soup (2024)

Sometimes a finished recipe for soup doesn’t have the texture you think it will. If it tastes perfect at the end of the cooking time but it’s a little thin, there are several fixes you can try.

If your soup doesn’t taste strong enough, the first thing you should do is boil it to drive off some of the water. This will strengthen the flavour and thicken the soup. Depending on what kind of soup you've made, these are six of the easiest ways to make it thicker.

For more inspiration, see our list of the most popular soup recipes and also read our guide on how to thicken stew.

6 ways to thicken soup:

1. Blend all or part of it

If you’ve made a broth with chunks of vegetable in it, such as minestrone soup, then pour the soup through a sieve. Take a third of the whole ingredients and blend them with the broth, then stir the rest of the whole ingredients back in. You can also do this with a potato masher by mashing directly into the pan until the soup is as thick as you want.

This works best with soups with starchy ingredients such as potatoes, beans, rice or even pasta. You can blend soups with meat in them, such as this lamb & barley soup in the same way, but make sure there are no bones and use a powerful blender to break the fibres up.

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For product advice, see our reviews of the best blenders and best soup makers on the market.

2. Add cream or yogurt

Adding extra cream can thicken a creamy or blended soup like this wild mushroom-soup, but stirring in a spoonful of thick yogurt can be more effective. Be careful not to boil the soup once you've added the cream or yogurt or it may split.

How to thicken soup (1)

3. Add flour or cornflour

You can also use flour or cornflour to thicken a soup. Put a tablespoon of either into a small bowl and stir in 2-3 tbsp of the soup until you have a smooth mixture. Stir this back into the soup and bring it to a simmer. Cook for a few minutes to allow the starch granules to burst to thicken, and to cook out any flour flavour.

4. Use a butter and flour paste

You can also use a flour and butter paste called a beurre manié to thicken a soup. Just mix 2 tsp flour with 2 tsp soft butter, and while the soup is simmering, stir the paste into the pan. The butter will help disperse the flour throughout the liquid.

5. Blend in bread

Torn pieces of bread can be blended into soup to thicken it. Use a milder flavoured bread so as not to change the flavour of the soup, or use a sourdough if you want to add a stronger flavour. Soak the pieces of bread first to soften them and make the blending easier. Bread would add body to a fresh tasting tomato soup without changing the flavour.

6. Add lentils or rice

Blended lentils and rice can also add body to a soup. Red lentils work in tomato soups such as this recipe, and rice can be used in green soups or where a vegetable like cauliflower has been used. Cook them until they're tender, then blend them into the soup.

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Which technique works best for you? Let us know in the comments below.

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5 of the best soup recipes to try next:

Spiced carrot & lentil soup
Chicken noodle soup
Butternut squash soup with chilli
Hearty pasta soup
Leek, bacon & potato soup

How to thicken soup (2024)

FAQs

How to thicken soup? ›

Mash beans, lentils, rice, or bread.

Rice, lentils, and beans release a lot of starch and naturally thicken soups simply from simmering, but you can also mash half the cooked rice/lentils/beans before adding to the soup for a simple way to thicken your dish.

How to fix soup that is too watery? ›

Mash beans, lentils, rice, or bread.

Rice, lentils, and beans release a lot of starch and naturally thicken soups simply from simmering, but you can also mash half the cooked rice/lentils/beans before adding to the soup for a simple way to thicken your dish.

What is the secret ingredient to thicken soup? ›

Add Flour Or Cornstarch

Instead, ladle a small amount of broth into a separate bowl and let it cool. Add a few tablespoons of flour or cornstarch to the bowl and whisk until it's blended smooth. Next, bring the soup to a simmer and add the mixture back to the pot. Pro tip: Don't dump in the entire mixture at once.

Is it better to thicken soup with flour or cornstarch? ›

It's important to note that cornstarch has twice the thickening power of flour. If you need to substitute cornstarch to thicken liquid in a recipe that calls for ¼ cup (four tablespoons) flour, you only need two tablespoons cornstarch.

What are the 4 ways to thicken a sauce or soup? ›

Ways To Thicken Sauce
  1. Tomato Paste. If your soup or stew is watery, adding tomato paste may help! ...
  2. Arrowroot. You might prefer to avoid gluten in your recipes. ...
  3. Flour. ...
  4. Reduce Your Liquid. ...
  5. Puréed Vegetables. ...
  6. Egg Yolk. ...
  7. Yogurt. ...
  8. Rice.
Jul 15, 2022

What can I do if my soup isn't thick enough? ›

Add flour or cornflour

Put a tablespoon of either into a small bowl and stir in 2-3 tbsp of the soup until you have a smooth mixture. Stir this back into the soup and bring it to a simmer. Cook for a few minutes to allow the starch granules to burst to thicken, and to cook out any flour flavour.

Will soup thicken as it sits? ›

Does soup thicken as it cools? Soup that contains some amount of starch, whether it be potatoes, rice, pasta, or an added thickener like cornstarch or flour will definitely thicken once it cools.

What is the most common thickener for soups? ›

About this method: One of the most common ways to thicken sauces and soups is with a starch-based slurry, and cornstarch is a popular choice. Cornstarch is flavorless, easy to mix up, and versatile, which makes it a go-to pantry ingredient.

What happens if you add too much cornstarch to soup? ›

So if you added too much cornstarch, you can always dilute it. with a little bit more chicken stock or water. If you're thinking it too much, it looks like pudding.

Can you thicken soup without cornstarch? ›

If you don't have cornstarch handy, flour is a similar alternative that can be used to thicken soup (for a gluten-free option, you can also use arrowroot flour). There are a few ways to incorporate flour into soup, which work to avoid clumping and the raw taste of flour.

How much flour to thicken 1 cup of liquid? ›

However, when using flour as a gravy thickener, you must double the amount—use 2 tablespoons of flour per 1 cup of liquid. Use a whisk or wooden spoon to incorporate, stirring constantly until you thicken the gravy to the desired consistency.

How do chefs thicken a sauce? ›

When your sauce, gravy, or stew doesn't turn out quite as thick as you'd hoped, you have a few options: A cornstarch slurry will create a thicker consistency, but imparts a glossy sheen that is not always wanted. A roux can also be used, but making roux takes time and a second pan.

Can you add more water to soup? ›

Ok, this may be a little obvious, but just adding water is going to make your soup go a little further. If you stick to a 50/50 ratio between water and whatever flavoured liquid you're using in your soup (be it tomatoes, a stock type, or a cream), you're unlikely to dilute it to the point of making it unpalatable.

How do you thicken soup without blending it? ›

Cornstarch is a great option as it is a natural thickening agent, but you'll want to be careful about how much you use. Start with 1 tablespoon of cornstarch whisked together with cold water to create a slurry. Then, gradually add the slurry to the soup, letting it boil for one to two minutes before adding more.

What can I add to soup to thin it out? ›

Chunkier soups, like black bean or lentil, tend to lean thick—and, it must be said, gloopy. To thin them out (and dial down the intense salinity), add more water or low-sodium stock while they're heating. (If you overdo it, don't stress: Continue simmering until the liquid has reduced to your desired consistency.)

How do you fix watered down chicken soup? ›

Luckily, fixing this is super easy — just keep the heat on and if you've had a lid on your stock pot, take it off now. This will allow water vapors to escape the broth as it simmers away, leaving you with a more concentrated flavor.

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