How to Thicken Bean Soup

There is nothing more comforting than a hot bowl of soup on a cold day. If the soup turns out a bit too thin, there are a few ways to thicken it. Choose from one of these easy ways to thicken any soup or stew.

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Things You'll Need

  • Flour or cornstarch

  • Water

  • Mild beans

  • Russet potato

  • Peeler

  • Grater

  • Measuring spoon

  • Strainer

  • Blender

Using flour or cornstarch

Step 1

White flour in bowl (Image: MargarytaVakhterova/iStock/Getty Images)

Add 2 tablespoons of flour or cornstarch to a small bowl of warm water.

Step 2

Chef mixing with whisk (Image: moodboard/moodboard/Getty Images)

Mix well until all of the clumps have disappeared.

Step 3

Woman stirs pot (Image: Fuse/Fuse/Getty Images)

Pour the mixture into the soup and stir. Wait a couple of minutes for it to thicken. If it is not thick enough, repeat these steps until the soup reaches the desired consistency.


Step 1

Russet potatoes in basket (Image: Roel Smart/iStock/Getty Images)

Wash and peel a Russet potato.

Step 2

Grater (Image: George Doyle/Stockbyte/Getty Images)

Grate the potato into a fine consistency.

Step 3

Add the grated potato to the soup. The potato will thicken the soup as it cooks.


Step 1

Bowl and spoonful of cannellini beans (Image: unknown1861/iStock/Getty Images)

Open a can of mild beans. Cannellini beans work particularly well.

Step 2

Cannellini beans rinsed in strainer (Image: luminouslens/iStock/Getty Images)

Pour into a strainer and rinse well.

Step 3

Blender in kitchen (Image: Jupiterimages, Brand X Pictures/Stockbyte/Getty Images)

Measure out 1 cup of soup and pour into a blender with the beans. Blend until smooth.

Step 4

Add the mixture back into the soup and stir.


To avoid burning, always have the soup on medium heat when adding thickeners.

Wait at least four to five minutes before adding additional thickener.

References & Resources