How to Thicken a Tomato Soup

How to Thicken a Tomato Soup

To thicken a tomato soup is a classic problem. You put milk and flour in the right proportions, but it doesn’t thicken as you wanted. In this article, I’m going to be talking about how to thicken a tomato soup. I’ll discuss the steps involved along with some real-life experiences.

To thicken a tomato soup:

  1.  Add cornstarch or flour.
  2.  Start by stirring 1 tablespoon of cornstarch into 1 cup of the broth, then add that mixture to the rest of your broth and stir to combine.
  3.  Add more cornstarch until you get the desired thickness.

Although, different brands of tomatoes have a different consistency, so you will need to adjust as necessary. Thickening tomato soup can be done by adding some thickeners such as flour or cornstarch and cooking until you reach your desired consistency.

Does Soup Thicken as It Cools?

Does Soup Thicken as It Cools

Soup does thicken as it cools; the reason for this is that most of the solid ingredients in your soup are proteins. When you heat a soup, its proteins unfold and bind together. This makes the soup thicker. 

As the soup cools, these proteins begin to unfold again and revert to their original state, which results in less thickening after cooling.

However, some exceptions exist: some vegetables can create a gel-like substance when cooked, which will continue to thicken after cooling. For example, carrots create a gel when cooked that thickens the soup even more than it would have if left uncooked.

Furthermore, when you’re heating soup, the liquid in the soup will become less dense, and the temperature of the soup will rise. When you cook your soup at a lower temperature, this process reverses—the water will become less dense, and the temperature of your soup will drop.

Although, it can be tricky to figure out how much of a given soup will thicken when cooled (or if it will at all). 

You can use the following three guidelines:

1. If your soup has a good deal of liquid, you’re probably looking at one or two hours for your soup to thicken. This is because liquids are slower to cool than solids.

2. If you have a lot of solid ingredients in your soup, they’ll take longer to cool and affect how much liquid there is in the final product.

3. If you want your soup to be thick and creamy, don’t add any additional liquid after it’s been cooked; let it sit until it has cooled.

How to Thicken Stewed Tomatoes

If you’ve ever tried to make stewed tomatoes, you know how frustrating it can be. They’re not as thick as you want them to be and not as thick as they should be. So what gives?

Here are a few tricks for thickening your tomato sauce:

Step 1: Add Salt

Salt is one of the best things you can add to your tomato sauce if you want it to thicken up quickly. Just remember that salt doesn’t always work—it depends on the kind of salt you use and how much of it you add. If you’re adding too much salt, your sauce will taste salty rather than richly savory and full-bodied.

Step 2: Add Water

You can also stir in some water when making tomato sauce if you want it to thicken up faster. Make sure that this step isn’t too much water—you don’t want your tomato sauce diluted or watered down.

Step 3: Simmer the Sauce Slowly

While simmering is important for all kinds of sauces, including tomato sauces, some special tips for thickening tomato sauce using simmering techniques.

Generally, the easiest way to thicken stewed tomatoes is by adding flour. This makes them more like tomato paste and helps to thicken the sauce without making it taste floury.

Tomatoes are naturally thicker than other ingredients, so if you want to add some thickness, use flour instead of adding water. Flour also adds more flavor than water and helps reduce the tomatoes’ acidity.

Also, use cornstarch or arrowroot powder instead of flour, but these ingredients will make your sauce turn out much thicker than what we’re aiming for here — so don’t go overboard on them.

How to Thicken Tomato Soup with Cream

Thicken tomato soup with cream by stirring in a can of condensed milk. You can use any canned milk, but condensed milk is the best choice because it has a higher fat content than regular milk.

Follow this guide:

1. Heat a small amount of oil in a saucepan over medium heat. Add the onion and cook, frequently stirring, until softened, about 4 minutes. Put garlic and salt with pepper to cook for another minute. Add the tomatoes and their juices before simmering for 5 minutes. Lower the heat, cover, and simmer for 30 minutes.

3. Add the cream and allow it to steam for another 15 minutes or until thick enough to coat a spoon nicely but still quite liquidy (it will thicken as it cools). Season it with salt and pepper before serving with crackers or bread crumbs on top for texture if you like it on the thicker side (like in this recipe).

The cream will make the soup even thicker and richer in flavor, but if you want something lighter and more refreshing, try using milk instead.

How to Thicken Tomato Soup Without Cream

We’ve got you covered if you’re looking for a way to thicken your tomato soup without adding any cream.

There are ways to thicken tomato soup without using cream. The first is adding flour or cornstarch, which will help thicken your soup and give it a nice, smooth texture. 

The second is adding more tomatoes, which will help make your soup thicker. 

A third option is to use a roux (a mixture of flour and butter) instead of the flour or cornstarch you used in step one.

And if the above suggestion doesn’t work, try the following:

First, make sure the tomatoes are ripe and ready to eat. You can let them sit on the counter to ripen, or you can use them immediately if they’re fresh from the market. If they’re not quite ripe yet, give them a good squeeze before using them.

Next, peel and roughly chop up some potatoes (or other vegetables). Then cut up some carrots into small pieces so that they’ll cook faster when you add them later in the process. 

Add some onions—we recommend using yellow onions, which have a less intense flavor than red ones—and garlic cloves. These will all go into your pot together with some hot water and spices (like salt and pepper), so everything is ready to go when the tomatoes are done cooking.

Finally, When everything is ready to go, heat everything on high for about 20 minutes until everything has softened slightly and is cooked through. You should also be able to smell the spices being cooked off from earlier.

How to Thicken Tomato Soup with Flour

Suppose you want to thicken up tomato soup. All you need is a little flour.

Although you can use any thickening agent you like, flour is the way to go if you want a thicker, richer soup with a velvety texture.

This method works best when the tomato soup is already cooked and puréed. When making it fresh from scratch, add some flour once you’ve heated all ingredients together. Then stir it in until everything is smooth and no lumps remain.

Also, you can try blending the tomato soup before adding any thickening agent. Just make sure to start with cold water and heat it slowly over low heat until it reaches boiling point (about 5 minutes). Then add the thickening agent of choice and cook for 5 minutes before removing from heat again.

Once everything has cooled down completely (about 30 minutes), add 1/4 cup of flour until the desired thickness has been reached.

Meanwhile, to make your flour, mix one cup of flour with two cups of water in a blender until you see it forming a smooth paste. Then add this mixture to your tomato soup and stir until the tomatoes absorb it. If you want to get fancy, you can use an immersion blender to ensure all those lumps are gone.

How to Thicken Tomato Soup with Bread

How to Thicken Tomato Soup with Bread

Bread adds flavor to your soup, but you don’t have to go overboard. Just a handful of croutons sprinkled on top will do the trick. You might not even need any liquid at all.

It is especially good if you’re trying to thicken a creamy soup, like a tomato. It helps break down some moisture and makes it easier for you to enjoy this delicious meal.

Follow these steps::

1. In a medium saucepan, combine the bread cubes with 3 cups water and the tomatoes. Boil over high heat before you reduce the heat and allow it to simmer for 15 minutes.

2. In a blender, blend 1 1/2 cups of the soup with equal water until smooth; set aside.

3. In a big saucepan over medium heat, cook the remaining 1 cup of soup in 2 tablespoons of olive oil until you notice it has started bubbling around the edges.

4. Add the blended tomato mixture to the rest of the soup in the pan and bring it back up to steam; add salt and pepper to taste if desired. Stir in flour until combined into a thick paste and cook for another minute or two while constantly stirring until thickened but still runny enough to pour easily from a spoon without sticking back onto itself as you lift it out of the pan.

Remove from heat if necessary so that any lumps will dissolve into liquid before adding more hot water if necessary (this is how thickening works).

How to Thicken Vegan Tomato Soup

Look no further if you’re looking for a simple way to thicken vegan tomato soup. This trick will make your soup thicker and more delicious than ever before.

All you need is some cornstarch and water. 

Mix one teaspoon cornstarch with two tablespoons of water in a small bowl until smooth. 

Then add a tablespoon of the mixture into your soup as you stir it with a spoon or chopstick. Continue this process until the soup reaches your desired thickness.

You can do much to make your vegan tomato soup a little more luxurious and delicious. Here are some tips for thickening your soup:

However, if you’re using canned tomatoes, use less broth and more water than usual to loosen things up a bit more as they simmer together on the stovetop for about an hour (or longer if necessary). 

This will help thin out your sauce and make it easily pourable into bowls or mugs without having to use too much liquid at once from a measuring cup or spoon when serving individual portions.

How to Make Canned Tomato Soup Thicker

There are ways you can make canned tomato soup thicker. The most common is adding more water or stock. You can also add some thickening agents like cornstarch or arrowroot powder. 

Also, you can add cheese or cream—although this is not recommended for those with dairy allergies.

Furthermore, there are a few tricks to speed up the process and make it thicker.

First, place your canned tomatoes in a pot with enough water to cover them by an inch. Allow the mixture to a boil and reduce heat to low. Simmer for 10 minutes.

Next, peel and chop up some onion and celery. Add those into the pot with the tomatoes and salt, and pepper. Pour in about 1 cup of chicken broth or water until it’s covered by one inch, and allow it to boil over medium-high heat. Reduce heat to low again and simmer for another 30 minutes or until thickened as desired.

What Can I Use Instead of Condensed Tomato Soup

Condensed tomato soup is a classic, but it’s not the only option. If you’re looking for something to try, here are some options:

1. Chicken noodle soup: chicken noodle soup is a great option. It’s easy to make, and you can add any veggies you want (or leave them out entirely). Some people like adding celery and carrots, while others prefer broccoli or peas.

2. Chili: chili is another excellent option. This one tends to be more savory than tomato-based soups and will add a lot of flavor without being too heavy on sodium or calories. You can use any meat or vegetarian chili you want—chicken, beef, pork, or even beans. Just be sure to make sure it has no added salt or fat.

3. Vegetable broth: vegetable broth is another great choice if you’re looking for something lighter than condensed tomato soup or chili. It’s also straightforward to make your own with vegetables like carrots and celery.

4. Homemade chicken broth: This recipe uses leftover chicken breast, so there will be plenty left over for another meal (or even two).

5. Use salsa: Like tomato paste, this will give your dish a similar flavor profile but won’t need as much food storage space.

Does Tomato Paste Thicken Soup?

Does Tomato Paste Thicken Soup

Tomato paste is a puree of tomatoes, which can be made with either fresh or canned tomatoes. It is used to give soups and stews a rich, thick texture. Tomato paste can flavor other dishes such as pasta sauces and pizza toppings.

Also, you may have noticed that some soups do not seem to thicken after adding the tomato paste, while others become thicker after adding the tomato paste. If a soup doesn’t seem to thicken after adding tomato paste, it probably means you used too much of the product. 

You should use just enough tomato paste to coat the bottom of your pot but not so much that it becomes difficult to scoop out with a spoon.

In addition, it’s important to remember that tomato paste is no substitute for water or stock. You’ll need to use additional seasoning when using tomato paste in soups; otherwise, you won’t get the same outcome as if you were using chicken stock.

Also, don’t put too much into the pot at once

Does Simmering Soup Make It Thicker?

Simmering soup can make a soup thicker; that’s why if you’re looking for a way to thicken your soup, simmering it is the best way. Simmering means heating something gently to soften it. The heat causes the liquids in the ingredients to evaporate and become concentrated, which makes the soup thicker.

If you want a little more thickness without making it too thick, cook your soup at a high temperature for a long time. This will release some water from your ingredients and concentrate them, so your soup ends up tasting thicker than it would if you just heated it on low heat for a few minutes.

Furthermore, simmered soup is thicker than the same soup made with boiling water. Simmering enables the ingredients in the soup to become closer together, which in turn, makes them more cohesive. It means that you’ll get a richer, thicker soup when you add liquid and bring it back up to a simmer.

How Can I Thicken My Soup Naturally?

You can make your soup thicker naturally by using an immersion blender. The easiest way to use an immersion blender is to place the lid on and then turn it on. It will mix your soup just enough so that you can thin it out with water or broth. 

And if you don’t have an immersion blender, you can also use a whisk or even a fork to help blend your soup into a creamy consistency.

Another way is to use potatoes as a thickener in soups, stews, and casseroles. You can use either boiled potatoes (cut into small pieces) or mashed potatoes (diced). If you do not have time to cook them, you can crush them with a fork before adding them to the soup mixture. 

Also, cornstarch is an extremely useful ingredient when making soups because it has a lot of uses in the kitchen, including being used as an egg replacer when baking muffins or other baked goods like cookies, etc.

How to Thicken Tomato Vegetable Soup

Thickening tomato vegetable soup is easy to do and won’t take long at all.

1. First, you want to cook up all the vegetables until they are soft and tender but not mushy.

2. Add the flour and water mixture to the pot, stirring until smooth.

3. Simmer for about 20 minutes, then remove from heat and allow to cool for about 30 minutes before serving.

Alternatively, you need to add some thickener to thicken tomato vegetable soup. You can use flour or corn starch, but sometimes it’s best to use a roux.

How to Make Tomato Soup Less Acidic

How to Make Tomato Soup Less Acidic

When you’re making tomato soup, you want the result to be a balanced soup with just enough acidity to make it enjoyable. But if your tomato soup has too much acidity, it leaves you with a lot of work to make it more palatable.

Try these tips to make your tomato soup less acidic:

1. Use a bouillon cube instead of water. Bouillon cubes contain sodium and potassium, which can help balance the acidity in your soup.

2. Add chopped fresh basil or parsley to the pot with the tomatoes at the end of cooking. Basil has a mild flavor that won’t overwhelm other flavors in the soup, and parsley has a hint of bitterness that will help balance the acidity.

3. Add lemon juice to help reduce acidity in the finished product. Lemon juice has citric acid that helps neutralize some of the natural acids in tomatoes and brings out their sweetness.

4. Adding milk helps balance the flavor and make it more palatable.

5. Add a pinch of baking soda. Baking soda is alkaline, making it the opposite of acid. It neutralizes the acid in your tomato soup and makes it more like the tomatoes you’re eating.

6. Use low-acid tomatoes: The best thing about them is that they have less natural pectin, making them easier to digest and helping us feel full. We’ve got our favorites: Green Zebra and Brandywine.

Frequently Asked Question

How Do You Thicken Soup That Is Too Watery?

If you want to thicken a too thin soup, you can thin it out with more broth or water. If the soup isn’t quite as thin as you want, add more liquid, like water or chicken stock. Stir the liquid while simmering the soup and continue adding liquid until the desired thickness is reached.


There are no complicated rules on how to thicken a tomato soup; the easiest thing is to consider adding cream, flour, or other ingredients to darken the color and increase its thickness.

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