How to thicken Spaghetti Sauce or Pasta Sauce?

We all love to add Spaghetti Sauce into our meals to add a little bit of tanginess and flavor to our dining experience. All I can say about Spaghetti Sauce is that we sure want our sauce to be thicker. There is this saying about homemade spaghetti sauce “They can steal your recipe, but their sauce wouldn’t taste the same”. So, you must make your spaghetti sauce a little bit thicker.

It’s easy to make Spaghetti Sauce at home, but the trouble begins when it made a little bit of watery. This article will help you to answer your question on how to thicken spaghetti sauce?. Read the full article to know all about it.


The authentic Marinara sauce is not as different as Spaghetti sauce, but homemade spaghetti sauce is thicker than marinara. The homemade spaghetti sauce is the invention of American people.

The easiest way to thicken your spaghetti sauce to reduce the liquid, or you can add starch in the condiment. You can boil off a little bit of moist as you can put this sauce unto gas and boil the watery element of Spaghetti Sauce. We will teach you below step by step.

If you are wondering how to thicken up spaghetti sauce?. Then there are two ways you can thicken spaghetti sauce:

  1. Adding Tomato Paste
  2. Without Adding Tomato Paste

How to Thicken Spaghetti Sauce By Adding Tomato Paste?

Want to know how to thicken spaghetti sauce with tomato paste? Adding tomato paste is the same as adding more spaghetti sauce in the spaghetti sauce. As we all know the main ingredient of spaghetti sauce is tomatoes. If you are not an experienced chef, this method is probably for you. Take a saucepan and add 1-2 tablespoons of tomato paste at the beginning, and then add the spaghetti sauce. Cook it for a while, and check if the thickness as per your taste.

How to thicken spaghetti sauce without tomato paste?

Below are the different techniques that can answer your question on how to thicken homemade spaghetti sauce without tomato paste.

Use Reserve Pasta Water

People don’t know about this, but starch is the primary element to thicken any sauces, and Pasta water has lots of starch that can be useful to thicken your homemade spaghetti sauce. Add 2-3 tablespoons of pasta water and stir continuously till you get the feel of a thick sauce.

Make A Roux, Add In Sauce

If you are querying how to thicken spaghetti sauce with flour. Well, not exactly the flour, but with making a roux. This roux can be made from the flour as it can absorb the extra moist part of your sauce. Chefs use this technique to thicken up pizza sauce.

  • Take a bowl, add 1 tablespoon of flour and add melted butter or olive oil.
  • Cook this mixture until the flour becomes ready to add in your spaghetti sauce.
  • It can take a bit of practice, to do it perfectly so your flour doesn’t taste like flour.
  • Add Cornstarch, Make It Thicker.

The flour can be a great way to thicken up your watery sauce. Do you want to know how to thicken watery spaghetti sauce?. Cornstarch is a great element to thicken your preparation as it has a neutral taste and doesn’t ruin the real taste of sauces. Just add 1 tablespoon of cornstarch, and simmer it until it becomes thick as your liking. Don’t add too much in the first try, add in a little amount, and have some patience.

Thicken spaghetti sauce in a crockpot

Slow cooking methods can be the best to cook any dishes that will add more flavor and taste to it than the normal cooking method. Sure, it would take your time, but in the end, the result will make up for your efforts. The answer to your question about how to thicken spaghetti sauce in the crockpot is in the slow cook method. The people who want to make meals overnight, this is a great way to cook your dishes and enjoy in the morning.

This process of thickening sauces can be difficult sometimes, so we hope this article will help you to answer your question about how to thicken spaghetti sauce. Tell us your experience with the thickening process of your homemade spaghetti sauce, and feel free to ask more about your queries in the comment section below.

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