How Do You Thicken Beans

You thicken beans by using a few simple methods that work whether you’re cooking dried beans from scratch or trying to fix a can of beans that turned out too thin.
 
Maybe you’ve been simmering a pot of black beans for a while and they’re still swimming in liquid.
 
Or perhaps your chili beans just aren’t getting that rich, hearty texture you were hoping for.
 
Don’t worry, because there are plenty of ways to thicken beans without ruining their flavor or texture.
 
In this post, we’ll look at how to thicken beans using simple kitchen tricks, plus how to avoid common mistakes that leave your beans runny.
 
Let’s dive in.
 

How Do You Thicken Beans?

When you thicken beans, you’re basically removing excess liquid or adding something that soaks up that liquid.
 
There are two main situations where you’ll want to thicken beans: while cooking dried beans on the stove and when fixing a batch that turned out too soupy.
 
Either way, the goal is the same: get that thick, creamy consistency that makes beans taste so good.
 
Here are the best ways to thicken beans.
 

1. Simmer With the Lid Off

The easiest way to thicken beans is to let them simmer uncovered.
 
When you cook beans with the lid off, the liquid evaporates and the broth naturally reduces.
 
This concentrates the flavors too, so your beans taste richer as they thicken.
 
Just keep the heat low and stir occasionally so nothing sticks to the bottom of the pot.
 
This method works great whether you’re making pinto beans, kidney beans, or navy beans.
 

2. Mash Some of the Beans

Another simple way to thicken beans is to mash a portion of them right in the pot.
 
Scoop out about a cup of beans, mash them with a fork or potato masher, then stir them back in.
 
The mashed beans release starch that thickens the whole pot naturally.
 
This is a classic trick for thicken beans when you’re making refried beans or bean soup.
 
It gives you that creamy texture without adding anything extra.
 

3. Add a Starch Slurry

If you need to thicken beans quickly, a starch slurry is your best friend.
 
Mix a tablespoon of cornstarch or arrowroot powder with a little cold water until smooth.
 
Then stir the slurry into your simmering beans and let them cook for a few more minutes.
 
The beans will thicken up fast as the starch activates.
 
Just remember to whisk the slurry well so you don’t end up with lumps in your beans.
 

4. Stir in Tomato Paste or Puree

Tomato paste is another great option when you want to thicken beans.
 
It adds body and a rich, savory flavor that works well with many bean dishes.
 
Start with a spoonful and stir it in, then add more if you need to thicken beans further.
 
This works especially well for black beans, kidney beans, and baked beans.
 
Keep in mind that tomato can slow down the softening of dried beans, so only add it once your beans are already tender.
 

How to Thicken Canned Beans

Canned beans are already cooked, so thicken beans from a can is a little different.
 
The liquid in the can is often thin and watery, but you can fix that easily.
 
Here’s how to thicken beans from a can.
 

1. Drain and Rinse First

Start by draining and rinsing your canned beans.
 
This removes the thick, starchy liquid from the can that often makes beans look gloopy.
 
Then add your own fresh liquid like broth or water and simmer.
 
Now you have more control over how to thicken beans to the consistency you actually want.
 

2. Simmer With Broth or Stock

Once your canned beans are drained, add them to a pan with a little broth or stock.
 
Simmer them over medium-low heat and let the liquid cook down.
 
As the broth reduces, your beans will thicken and take on more flavor.
 
This is one of the easiest ways to thicken beans from a can without any extra ingredients.
 

3. Add a Little Fat or Butter

A small pat of butter or a drizzle of olive oil can help thicken beans and make them taste creamier.
 
Fat doesn’t thicken beans the way starch does, but it adds richness that makes thin beans feel more satisfying.
 
Stir it in at the end of cooking for the best results.
 
This trick is especially helpful when you thicken beans for tacos, burritos, or rice bowls.
 

Common Mistakes When You Thicken Beans

Even though learning how to thicken beans is pretty straightforward, a few mistakes can trip you up.
 
Here’s what to avoid when you thicken beans.
 

1. Adding Too Much Starch at Once

It’s tempting to dump in a lot of cornstarch when you thicken beans.
 
But adding too much at once can make your beans gluey and pasty.
 
Add a little slurry at a time and let it cook before deciding if you need more.
 
Patience is key when you thicken beans with starch.
 

2. Overcooking Already Tender Beans

If your beans are already soft, don’t keep boiling them just to thicken the liquid.
 
They’ll turn to mush and lose their shape.
 
Instead, remove some beans, mash them, and stir them back in to thicken beans without overcooking the rest.
 

3. Forgetting to Season After Reducing

When you thicken beans by simmering off liquid, the flavors concentrate, including salt.
 
Taste before adding more seasoning, or your beans might end up too salty.
 
A squeeze of lime or a splash of vinegar can brighten things up if your beans taste flat after thickening.
 

So, How Do You Thicken Beans?

You thicken beans by simmering them uncovered, mashing some of them, adding a starch slurry, or stirring in tomato paste.
 
For canned beans, drain them first and simmer with broth until the liquid reduces.
 
Avoid adding too much starch at once, don’t overcook tender beans, and always taste before adding more salt.
 
With these simple tricks, you can thicken beans any time they turn out too thin.
 
Now your beans will have that thick, hearty texture every time.