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.

How to thicken soup (2)

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? ›

You can thicken soup by adding flour, cornstarch, or another starchy substitute. For the best results, never add flour or cornstarch directly to your soup. If you do, it will clump up on top. Instead, ladle a small amount of broth into a separate bowl and let it cool.

How can I thicken watery soup? ›

You can thicken soup by adding flour, cornstarch, or another starchy substitute. For the best results, never add flour or cornstarch directly to your soup. If you do, it will clump up on top. Instead, ladle a small amount of broth into a separate bowl and let it cool.

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.

Can you thicken soup without flour? ›

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.

Does soup thicken as it cools? ›

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

If that's the case, the solution is pretty simple.
  1. Thickening Sauces By Reducing.
  2. Thickening Sauces With Starch.
  3. Thickening Sauces With Egg Yolks.
  4. Thickening Sauces With Purees.
  5. Finishing Sauces With Butter.
Dec 29, 2022

How do you fix bland watery soup? ›

3 Answers. If too much water is the culprit, then its a simple matter of reducing the soup on the stove top. Just put it in a pot and boil it with the lid off(so the water escapes) until you reached a desired thickness and flavor.

What 2 ingredients are used to thicken the soup? ›

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.

What is the best thickener for soup? ›

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.

How much flour do I add to soup to thicken it? ›

The ratio of flour to butter varies, but it's often 2-to-1—for most soups, ½ cup of flour and ¼ cup of butter should do it.

What can I use instead of thickening agent in soup? ›

There are a bunch of ways to thicken a soup without using raw flour or roux.
  • purée a portion of the soup in a blender then add it back to the pot.
  • mix a bit of cornstarch with water. ...
  • add chopped up potatoes to the soup. ...
  • add puréed beans or mashed potatoes to the soup. ...
  • there's also the Italian tradition of ribollita.
Feb 10, 2024

What can thicken instead of flour? ›

Cornstarch can be subbed in for wheat flour at a 1:2 ratio. Because it's a durable thickener, you only need half the amount of cornstarch to create the same effect. Also, adding cornstarch to a gluten free recipe is a great way to add softness and texture to baked goods while keeping them grain free!

Does soup thicken better with lid on or off? ›

To thicken a soup, stew, or sauce, leaving the lid uncovered is ideal. "It must be off, or semi-covered, if you are slowing down the reduction process," says Stephen Chavez, chef-instructor at the Institute of Culinary Education.

Can you thicken a watery soup? ›

A handful of uncooked rice. That's all folks, just a handful of white rice. Any kind will do: jasmine, basmati, short grain, long grain. When added to a brothy (or watery, even) soup, and left to simmer for 20-30 minutes, the rice breaks down, releasing its starch and thickening the liquid that it's cooking in.

What is the 4 other thickening agents for soup? ›

  • Cornstarch. Cornstarch is the most common thickening agent used in the industry. ...
  • Pre-gelatinized Starches. Pre-gelatinized starches are mixed with sugar and then added to the water or juice. ...
  • Arrowroot. ...
  • Agar-Agar. ...
  • Algin (Sodium Alginate) ...
  • Gelatin. ...
  • Gum Arabic or Acacia. ...
  • Gum Tragacanth.

Can you add water to soup if it's too thick? ›

Adding/mixing water in the soup makes the soup less thick. (discrepencies apply. You could use more vegetables/fruits/ingredients with water in them in your soup or just plain ol' pour in water, though ratio applies.

Can you thicken soup without cornstarch? ›

How to Thicken Soup with Rice, Bread, Potatoes or Beans. Foods like rice, bread, potatoes and beans are naturally high in starches, which, when broken down, act as a thickening agent. With rice, the grains will break down into the soup as it's simmered and stirred, releasing the starches and thickening the soup.

How do you thicken water for broth? ›

Using a Thickening Agent

Cornstarch is similar to flour as a thickening agent, but it works better and won't affect the taste of your broth. Mix a tablespoon (7.5 g) of cornstarch with 1 tablespoon (15 mL) of cold water for each cup of broth. Once fully combined, add slurry a little at a time, stirring constantly.

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