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Slow Cooker Tomato Sauce

This simple slow-cooker tomato sauce is easy to prepare and great for pizza, pasta, calzones, and more! No peeling or seeding required. 

Prep Time
5 mins
Cook Time
4 hrs
Total Time
4 hrs 5 mins
Servings: 2 32-ounce jars
Calories: 50 kcal
Course: Dinner
Cuisine: American

Ingredients

  • 2 ounce cans of tomatoes crushed, whole, or diced
  • ¼ cup extra virgin olive oil
  • 1 small onion chopped
  • 2-3 garlic cloves chopped
  • 1 tablespoon dried basil or Italian seasoning
  • 1 large carrot grated
  • 1 teaspoon salt
  • 1 tablespoon sugar

Instructions

Make the sauce:
    Cup of Yum
  1. Add all the ingredients into a 6-quart slow-cooker. Cover and cook 3 hours on high or 4-6 hours on low, stirring occasionally.
  2. If you're using whole tomatoes, once they've broken down, uncover. Continue cooking for another hour or two, until the sauce, has thickened.
  3. For a smooth sauce, blend it in a blender (in batches) or use an immersion blender to achieve the texture you like. Use in your favorite recipes.
Storage:
  1. Allow sauce to cool down to room temperature and refrigerate unused sauce in an airtight container for up to a week or freeze for up to 2 months.

Notes

  • Yields 2 pints or 4 cups.  
  • The sugar is added to cut down the acidity of the tomatoes. If you want to reduce the amount, I suggest reducing it to no less than 1 teaspoon. 
  • If you plan on blending the tomato sauce to make it smoother, you can coarsely chop the onion, carrot, and garlic.

Nutrition Information

Serving 1 (½ cup) Calories 50kcal (3%) Carbohydrates 4.5g (2%) Protein 1g (2%) Fat 3.7g (6%) Saturated Fat 0.5g (3%) Sodium 5.2mg (0%) Fiber 1.3g (5%) Sugar 2.8g (6%)

Nutrition Facts

Serving: 232-ounce jars

Amount Per Serving

Calories 50

% Daily Value*

Serving 1 (½ cup)
Calories 50kcal 3%
Carbohydrates 4.5g 2%
Protein 1g 2%
Fat 3.7g 6%
Saturated Fat 0.5g 3%
Sodium 5.2mg 0%
Fiber 1.3g 5%
Sugar 2.8g 6%

* Percent Daily Values are based on a 2,000 calorie diet.