Pasta Sauce Thickening

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Whether you buy or make your own pasta, learning how to thicken spaghetti sauce can improve any pasta meal. Presenting your pasta with a sloppy, watery sauce will not go over well with your guests.

Most pasta meals benefit from a rich, thick, delicious sauce. But what if your sauce isn’t thick enough? Is there any way to preserve it? Or do you have to start over? The good news is that there is no reason to be alarmed. So keep reading to find out how to thicken spaghetti sauce and guarantee a thick, rich, creamy sauce every time.

How To Thicken Pasta Sauce

In terms of fundamental thickening procedures, pasta sauce isn’t all that different from any other sauce. Use the following techniques to thicken spaghetti sauce:

1. Simmer The Pasta Sauce

This is the most basic way for thickening spaghetti sauce without altering the flavor. The surplus water evaporates as the spaghetti sauce simmers on low heat.

To guarantee that it does not burn, keep it covered and stir it constantly. One limitation is that it takes some time but results in a deliciously rich pasta sauce.

2. Add Heavy Cream

When the mixture warms, drizzle in some heavy cream to thicken the spaghetti sauce. But, keep in mind that this will result in a creamy texture and flavor.

3. Add Roux

Roux may be used to make a creamy, rich pasta sauce. Roux is a combination of butter and wheat flour. When adding roux to your spaghetti sauce, start with a modest quantity. Add it to your spaghetti sauce while it’s still cooking to enable the roux to completely dissolve.

This approach needs significantly less work, but the taste may be altered. Nevertheless, it is not great for thickening spaghetti sauces after they have been cooked.

4. Add Cornstarch

This is one of the simplest methods for thickening spaghetti sauce. Cornstarch, unlike heavy cream or roux, will not drastically affect the taste of your sauce.

Cornstarch is simple to include into spaghetti sauce. To prevent lumps, prepare a paste with a little water and then add additional water. Add it into the sauce in tiny amounts at a time to see how it turns out. If you use too much cornstarch, your sauce will be ruined.

5. Add Mashed Potatoes

Mashed potatoes are a good thickening agent, which may surprise you. Potatoes, like cornstarch, are starchy and may thicken your sauce rapidly.

They also give the spaghetti sauce a sweet taste, making it even more tasty. As an extra bonus, you won’t have to reheat the sauce before adding the mashed potatoes. This reduces the possibility of overcooking the sauce.

6. Add Egg Yolk 

Here’s another possibility you may not have considered. Nevertheless, do not add the egg yolk straight to the spaghetti sauce. Instead, whisk together the egg yolk and a few tablespoons of sauce. Next, while continually swirling, gently add it into the remainder of the spaghetti sauce. This prevents the egg yolk from being scrambled.

7. Add Cheese 

To make a creamier spaghetti sauce, add cream cheese. You might also add freshly grated cheese, such as parmesan, to give it a cheesy kick. After adding the cheese, carefully mix it in over low heat. As a result, the spaghetti sauce may thicken as required.

Why Won’t My Pasta Sauce Thicken?

Creating a pasta sauce that is too thin is rather frequent and necessitates thickening procedures. Yet, there are a few reasons why your spaghetti may not thicken.

For starters, if you take the spaghetti sauce off the stove too quickly, the surplus liquid will not evaporate. Leaving adequate time for your pasta sauce to simmer is essential for achieving a richer sauce.

Second, any extra water in the pasta might cause your sauce to flow. If the pasta is not thoroughly drained, you may wind up with a runny spaghetti sauce despite your best attempts to thicken it.


Although creating pasta sauce is simple, understanding how to thicken spaghetti sauce is more difficult. Nevertheless, if you understand how to thicken pasta sauce, you will be able to enjoy wonderfully excellent pasta meals every time.


How to make pasta sauce thick?

A common rule of thumb is to use 2 tablespoons flour for every cup of liquid. Begin by adding a little amount, then heat, stirring, for a few minutes to enable the sauce to thicken and cook out the raw flour flavor; if the results are disappointing, add more.

What happens if pasta sauce is too watery?

Increase the amount of tomato paste or tomato sauce used: To thicken a fresh tomato sauce, add a tablespoon or two of canned tomato paste or one fourteen-ounce can of tomato sauce. Both provide a rich tomato taste and assist to thicken the sauce somewhat. After either addition, continue to diminish.

How do you make pasta sauce thicker without cornstarch?

All-purpose flour: All-purpose wheat flour may be used to thicken sauces. Use three tablespoons of flour for every tablespoon of cornstarch. In a small basin, make a paste of raw flour and cold water, then stir it into the sauce while it’s cooking.

How to make tomato pasta sauce thicker?

4 cup total). Stir in the sauce after whisking until smooth. Remember that starches may cause lumps in a tomato-only sauce, so this should only be used as a last resort. Adding a cornstarch slurry is a simple technique to thicken sauce. Just mix equal parts water and cornstarch (start with 1 teaspoon).

Does covering pasta sauce make it thicker?

Cooking a soup, stew, or sauce open enables water to evaporate, so skip the lid if you want to decrease a sauce or thicken a soup. The longer you simmer your food, the more water evaporates and the liquid thickens, which means the tastes get more concentrated.

How do you make pasta less watery?

How to Prepare Spaghetti Sauce Without Making It Watery. One of the most important strategies to keep your sauce from becoming watery is to bring it to a quick boil first, then lower it to a simmer. When utilizing fresh tomatoes, this is particularly vital. If you’re using canned tomatoes, be sure to drain them first.

Does simmering thicken sauce?

Reduce the liquid in a pot on the burner to thicken a sauce, which is often employed in slow-simmered ragus or pan sauces. Ragu is normally made by adding wine or stock to browned meat and then letting the sauce simmer to enhance the flavors.

How do you remove excess water from sauce?

Is there too much liquid? Remove it with science! Bring the mixture to a boil or a simmer and let the extra liquid to evaporate until the required consistency is obtained.

Does pasta sauce thicken as it cools?

Bear in mind that a sauce that seems too thin after the initial cook can thicken up after a few minutes off the heat.

How do you thicken watery spaghetti sauce?

In a small dish, combine 14 cup water and cornstarch. Mix together the first two ingredients until the cornstarch is dissolved. Incorporate the cornstarch slurry into the spaghetti sauce (be sure the pasta sauce is warm). Bring the spaghetti sauce to a low boil; it should thicken fast.

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