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.

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.

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? ›

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.

How do you fix soup that is too thin? ›

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.

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 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.

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 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 2 ingredients are used to thicken the soup? ›

The most classic and surefire way to thicken a broth-based soup is with a cornstarch slurry. Whisk together equal parts cornstarch (or arrowroot) and water or broth, then whisk it into the pot of soup. A good ratio to get to a pleasant thickness without your soup tasting goopy or heavy is one tablespoon.

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 to do if soup is too watery? ›

6 Ways to Thicken Soups or Stews
  1. Puree the vegetables. The most straightforward way to thicken soup is to puree the vegetables. ...
  2. Mash beans, lentils, rice, or bread. ...
  3. Add some dairy. ...
  4. Add an egg. ...
  5. Whisk in a bit of flour or starch. ...
  6. Blend in some silken tofu.
Nov 15, 2021

What is the healthiest way to thicken soup? ›

The absolute healthiest way to thicken soup is by using a traditionally made bone broth powder like the one from Bluebird Provisions.
  1. Oat Flour, Quinoa Flour or Chickpea Flour.
  2. Applesauce or Mashed Bananas.
  3. Eggs.

How to thicken soup without changing flavor? ›

Cornstarch, or corn flour, can be used to thicken soup through its high starch content. Cornstarch is a great thickener for soup because only a little bit is needed to significantly thicken a soup, and it will not affect the flavor profile of the soup.

How do you reduce the liquid in soup? ›

To reduce in cooking, start by boiling your liquid in an uncovered pan and reducing the heat to a simmer. As it simmers, monitor the liquid closely until it reaches the consistency you desire. If you're having trouble getting your liquid to reduce, sprinkle in a few spoonfuls of a thickener, like cornstarch or flour.

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

Add extra water as it cooks if the soup seems too thick. 5) Add ingredients that don't need much cooking time such as canned beans, diced cooked meats, shellfish, pasta or cooked rice; about a cup of such addition usually suffices.

How do you make watery soup taste better? ›

Add herbs and spices.

Herbs and spices add aroma, flavor, and intensity to soup broth. "Use fresh or dried basil in tomato-based recipes or fresh parsley to add freshness to clear broth soups," says Sofia Norton, RD. You can also go with more heat and spices.

How do you thicken water for broth? ›

Use an alternative thickening agent.
  1. For arrowroot powder, mix 2-3 tablespoons (16-24 g) with the same amount of water. ...
  2. For potato starch, mix 1 tablespoon of starch (10 g) with 2 tablespoons (30 mL) of water. ...
  3. For tapioca powder, stir in a teaspoon of starch (2.5 g) at a time until broth reaches desired consistency.

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