How can I thicken tomato sauce without cornstarch or paste?
Christopher Snyder
Updated on February 27, 2026
Roux is a flour-fat thickening agent, typically involving butter but other oils can be used instead. In a separate pan or skillet, heat 1/4 cup butter over medium heat. Add equal parts all purpose flour and whisk until smooth. Add to the sauce and stir until combined and warmed through.
How can I thicken tomato sauce without cornstarch?
6 Ways to Thicken Sauce Without Cornstarch
- Reduce the sauce. Simmering your sauce over low heat will cause the water in the sauce to evaporate and the sauce to naturally thicken. ...
- Add egg yolks. ...
- Prepare a roux. ...
- Make a beurre manié. ...
- Add pureed vegetables. ...
- Use another thickening agent.
How do you thicken watery tomato sauce?
Adding a cornstarch slurry is an easy way to thicken sauce quickly. Simply combine equal parts water and cornstarch (start with 1/4 cup each). Whisk until smooth, then stir into the sauce. Note: Starches may create lumps in a sauce made purely of tomatoes, so this option should be seen as a last resort.How can I thicken a sauce without flour or cornstarch?
7 Ways To Thicken Sauce Without Flour
- Cornstarch. Cornstarch is likely the most common way to thicken sauces without flour. ...
- Arrowroot or Tapioca Flour. Both of these options can be used in the same way you'd use cornstarch in a recipe. ...
- Gelatin. ...
- Vegetable Puree. ...
- Cashew Cream. ...
- Oat Flour. ...
- Egg Yolk.
How can I thicken tomato sauce without flour?
Cornstarch Slurry
- Add ¼ cup water to a small bowl and add cornstarch to the water.
- Whisk the two ingredients together until the cornstarch is dissolved.
- Whisk the cornstarch slurry into the pasta sauce (be sure the pasta sauce is warm).
- Bring the pasta sauce to a gentle simmer, the pasta sauce should thicken quickly.
How to Thicken Spaghetti Sauce
How can I thicken tomato sauce without paste?
Adding a corn starch slurry is an easy way to thicken sauce quickly. Simply combine equal parts cornstarch and water (start with 1/4 cup each). Whisk until smooth, then stir into the sauce.How can I thicken sauce without adding anything?
Egg Yolks. Egg yolks can be a magical thickener. Whisk some of the thin sauce into an egg yolk in a separate bowl, then whisk the egg yolk mixture back into the sauce over low heat to let it do its thing.What else can I use to thicken sauce besides cornstarch?
These include:
- Rice flour. Made from finely ground rice, rice flour replaces cornstarch in a 3:1 ratio.
- Arrowroot powder. Derived from the tropical arrowroot plant, this powder replaces cornstarch in a 2:1 ratio. ...
- Potato starch. ...
- Tapioca starch. ...
- Flaxseed gel. ...
- Xanthan gum. ...
- Guar gum.
What is a substitute for cornstarch?
Potato starch is another good substitute for both thickening and baking, as it delivers similar results to cornstarch and requires an equal amount. Other ingredients you can use in place of cornstarch include rice flour, tapioca starch, xanthan gum, and psyllium husk.Can I thicken sauce with flour?
So long as you're not gluten-free, flour is an excellent option that you'll likely always have on hand. Not only can you use it to thicken sauces, but it makes an excellent thickener for gravies and soups as well. When added to liquid, the starches in the flour expand, helping to thicken whatever you add it to.Can I use flour to thicken tomato sauce?
Flour is often thought of as the go-to method for thickening anything. It's no different with Spaghetti Sauce, and can definitely be used. However, it isn't the best option. Flour can change the taste of your sauce and may not be suitable for all diets.How do you make tomato sauce less watery?
To thicken your pasta sauce, you should simmer it in a wide pan over low heat. This allows for maximum evaporation and will therefore thicken the sauce faster. Alternatively, you can thicken it by adding the starchy pasta and some pasta water and cook it for a few minutes over medium-high heat.How can I thicken my pasta sauce without heavy cream?
To make a cornstarch slurry, whisk together equal parts of cornstarch and water—about two tablespoons of each; from there, add a teaspoon or two at a time. Start by whisking just two teaspoons of the slurry into the sauce, let it come to a boil, which will activate the starch, and then add more if needed.What can I use if I don t have tomato paste?
You don't have to dash out to the store if you're out of tomato paste; tomato sauce and tomato puree are both an excellent substitute. For every 1 tablespoon of tomato paste needed, use 3 tablespoons of tomato puree or sauce.How do you thicken a sauce with baking powder?
To use baking powder to thicken a hot liquid, rather than whisking it in directly, it's advisable to spoon some of the liquid into a separate container and whisk the baking powder into that to create a "slurry." After you've whisked out any lumps from the slurry, add it slowly into your hot liquid.Is baking soda a substitute for cornstarch?
Baking soda and corn starch are not interchangeable in recipes because they have completely different purposes in cooking. Cornstarch is typically used as a thickening agent in sauces and soups, while baking soda is a leavening agent that will help baked goods rise.Is flour a good substitute for cornstarch?
All-purpose flour is an easy substitute for cornstarch; in fact you may see recipes for thickening pie fillings or soups with either. You'll need 2 tablespoons of flour for every 1 tablespoon of cornstarch in a recipe.Is all-purpose flour a substitute for cornstarch?
All-Purpose FlourAlthough it won't produce the same glossy shine as cornstarch, it'll get the job done in a pinch. All-purpose flour contains about half the thickening power of cornstarch, so for every tablespoon of cornstarch required, you'll need to substitute two tablespoons of all-purpose flour.
How do you thicken with flour?
To make a slurry, just measure out the flour into a small bowl – use one tablespoon to thicken a small amount of sauce or up to four tablespoons for a big bowl of soup. Add a cup or so of the hot cooking broth to the flour and whisk until they're completely combined. This is your slurry.How can you make liquid thicker?
If liquids are too thin, add one of the following common thickeners to get your liquid nectar-thick.
- Banana flakes.
- Cooked cereals (like cream of wheat or cream of rice)
- Cornstarch.
- Custard mix.
- Gravy.
- Instant potato flakes.