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–+ servings
overhead shot of tomato butter sauce in a slow cooker.
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4 from 1 vote

Tomato Butter Sauce Recipe

You're just 6 ingredients and a crockpot away from whipping up a delicious homemade batch of Slow Cooker Tomato Butter Sauce.
Prep Time5 minutes
6 hours
Total Time6 hours 5 minutes
Course: Main Course
Cuisine: American
Servings: 6
Author: Sarah Olson

Equipment

Ingredients

  • 56 oz. canned whole tomatoes (two 28 oz. can tomatoes)
  • ½ cup salted butter (one stick)
  • 1 white onion peeled and quartered
  • 1 tsp. garlic powder
  • 1½ tsp. salt
  • 2 tsp. Italian seasoning

Serving ideas

  • serve on ravioli or noodles

Instructions

  • Add everything to the slow cooker.
  • Cook on low for 6 hours or on high for 4 hours. Stir once if you are home to incorporate the butter into the sauce.
  • To serve, take a potato masher (or back of a wooden spoon) and crush the tomatoes. You can serve this with our without the onions if desired.
  • Serve over your favorite pasta.

Notes

  • Nutritional Values do not include pasta.
  • Fresh tomatoes can be used instead of canned, though you will want to peel them. Do this by dropping in boiling water, remove and the skin should come right off.
  • Store any leftover sauce in an airtight container in the refrigerator for up to 5 days, or freeze it for longer storage.

Nutrition

Calories: 191kcal | Carbohydrates: 13g | Protein: 3g | Fat: 16g | Saturated Fat: 10g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 4g | Trans Fat: 1g | Cholesterol: 41mg | Sodium: 1083mg | Potassium: 543mg | Fiber: 3g | Sugar: 7g | Vitamin A: 794IU | Vitamin C: 26mg | Calcium: 102mg | Iron: 3mg

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