Super Tasty Low-Carb Pizza Sauce

low-carb pizza sauce
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This low-carb pizza sauce doesn’t contain all the added sugar most store-bought sauces have, which makes it delightfully low carb, but still super tasty.

The difficult thing about store-bought pizza sauce is that it’s often not appropriate for a low-carb or keto diet, because it’s packed with added sugars.

pizza sauce

Since tomatoes themselves have some carbs, it’s imperative not to add any extra sugar. This recipe has absolutely no added sugar, and it’s incredibly tasty.

With just 4 ingredients, this is probably the easiest pizza sauce you’ve ever made. I’ve seen recipes that include 10 or more ingredients, but I really don’t think that’s necessary.

pizza sauce

The real key to great sauce is in the amount of time it’s stewed. A pizza sauce can be mixed together in minutes, but if it’s not cooked on the stovetop for at least 20 minutes, it’s just not going to have the same flavor and intensity, no matter how many ingredients you add.

The only consideration you’ll need to make is whether to puree the tomatoes or leave them in chunks. If you use them straight from the can, the sauce will be a bit chunky. That’s never bothered me enough to take the time to puree them, but if you prefer smooth sauce, don’t skip that step.

What About the Crust?

low carb pizza crust

There are a few different variations of low-carb pizza crust out there. I prefer the fathead pizza crust. Here’s our recipe for fathead pizza crust.

One serving of crust has 4 net grams of carbs. So when you’re totaling up all the carbs in the pizza you make, be sure to add the crust and the sauce together. In 1/4 of a pizza, you will get 5 net grams of carbs.

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low-carb pizza sauce

Low-Carb Pizza Sauce

This low-carb pizza sauce has just 4 ingredients and uses slow cooking to build great flavor and intensity.
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Course: Sauce
Cuisine: Italian
Keyword: Tomatoes
Prep Time: 5 minutes
Cook Time: 25 minutes
Total Time: 30 minutes
Servings: 4 servings
Calories: 19kcal
Author: Laura


  • 14 oz can chopped tomatoes with no added sugar
  • 1 tsp italian seasoning
  • 1/2 tsp salt
  • 1/2 tsp garlic powder


  • Puree the chopped tomatoes in a blender or with a handheld stick blender.
  • Add the tomatoes, italian seasoning, salt, and garlic powder to a small saucepan. Set it over medium-low heat.
  • Cook, stirring occasionally, for 25 minutes, or until reduced and thickened.


  • Makes enough sauce for 4 medium pizzas. Keep this in mind when calculating net carbs. There is only 1/16 of this recipe used per serving of pizza.
  • Sauce can be frozen for later use.


Calories: 19kcal | Carbohydrates: 5g | Protein: 1g | Fat: 1g | Saturated Fat: 1g | Sodium: 433mg | Potassium: 187mg | Fiber: 1g | Sugar: 2g | Vitamin A: 116IU | Vitamin C: 9mg | Calcium: 38mg | Iron: 1mg

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Super Tasty Low-Carb Pizza Sauce

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