Healthy 4-Ingredient Tomato Sauce – Cleveland Clinic

4 Ingredient Tomato Sauce

Homemade tomato sauce is not only delicious (and impressive!), but it’s also naturally low in fat and calories and is an excellent dietary source of vitamin A, vitamin C and potassium. 

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Try adding fresh herbs to amp up the flavor and reduce sodium. You can also add fresh roasted garlic and chopped fresh onion to sweeten the sauce without adding sugar.  


  • 28-ounce can peeled plum tomatoes
  • 5 tablespoons unsalted butter
  • 1 small white onion, peeled and cut in half
  • Kosher salt (if desired)

To serve
Shaved Parmesan cheese
Freshly ground black pepper


  1. Place a 3-quart saucepan over medium-high heat.
  2. Add the tomatoes, butter, onion halves and a pinch of salt.
  3. Bring to a simmer, then lower the heat.
  4. Crush the tomatoes lightly with the back of a spoon as they cook, stirring occasionally.
  5. Simmer very gently for 45 minutes or until droplets of fat appear on the surface of the tomatoes.
  6. Remove and discard the onion.

Serve over hot pasta with Parmesan and black pepper, if desired.

Nutrition information (per serving)

Serves 2 to 4
Serving size = 1 cup

Calories: 180
Total fat: 14 g
Saturated fat: 9 g
Cholesterol: 40 mg
Sodium: 430 mg
Total carbohydrate: 10 g
Fiber: 2 g
Protein: 2 g

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