How to Thicken Chili
Thin chili usually means too much liquid went in or not enough starch is holding it together. The fix depends on how much time is left before serving: a longer simmer concentrates flavor along with liquid, while a slurry or masa harina thickens in minutes without changing the taste much.
Steps
- 1Remove the lid and simmer uncovered over medium-low heat for 15-20 minutes, stirring occasionally; evaporation alone often thickens chili enough without adding anything.
- 2If it needs more body, mash 1/2 cup of the cooked beans against the side of the pot with a spoon and stir them back in, this releases starch that thickens the liquid.
- 3For a fast fix, whisk 1 tablespoon cornstarch with 2 tablespoons cold water into a smooth slurry, stir it into the simmering chili, and cook for 2-3 minutes until it visibly thickens.
- 4For a more traditional texture, stir in 2 tablespoons masa harina mixed with 3 tablespoons warm water, then simmer for 5 minutes; this also adds a mild corn flavor typical of Tex-Mex chili.
- 5Alternatively, stir in 1-2 tablespoons all-purpose flour mixed with an equal amount of softened butter (a beurre manié), whisking it in a spoonful at a time until the chili reaches the right consistency.
- 6Let the finished chili rest off heat for 10 minutes before serving; it continues to thicken slightly as it cools and the starches set.
Common mistakes
- Adding cornstarch or flour directly to hot liquid: it clumps instantly, always mix with cold or warm liquid first to form a slurry.
- Thickening too early: chili releases more liquid from meat and vegetables as it cooks, so wait until near the end to judge how much thickener is actually needed.
- Over-relying on long simmering when the chili already tastes strong: extended reduction concentrates saltiness and can make the chili taste scorched or bitter.
Equipment
- Large pot or Dutch oven
- Whisk
- Small bowl for slurry
- Wooden spoon
FAQ
What's the best thickener for chili without changing the flavor?
A cornstarch slurry (1 tablespoon cornstarch per 2 tablespoons cold water) thickens with almost no flavor impact, unlike masa harina or flour which both add a slight taste.
Can I use crushed tortilla chips to thicken chili?
Yes, stir in a handful of finely crushed corn tortilla chips and simmer for 5-10 minutes; they break down and thicken the liquid while adding a subtle corn flavor similar to masa harina.
Why is my chili still watery after adding cornstarch?
Cornstarch needs sustained heat to activate, if the chili wasn't simmering when the slurry was added, or wasn't cooked for at least 2-3 minutes afterward, it won't fully thicken.
Does removing the lid actually make a difference?
Yes, an uncovered simmer lets steam escape instead of condensing back into the pot, so liquid volume drops noticeably over 15-20 minutes without any added starch.
Need exact temperatures or timing? Check our Time & Temperature Guide →