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Tomato Sauce with Butter and Onion

A three-ingredient Italian tomato sauce simmered with butter and a halved onion. Sweet, rich and perfect with spaghetti or gnocchi.
Print Recipe
Prep Time 5 minutes
Cook Time 45 minutes
Total Time 50 minutes
Servings: 4 servings
Course: Main Course
Cuisine: Italian
Calories: 420
Ingredients Method Notes

Ingredients
  

  • 800 g canned whole peeled tomatoes
  • 70 g butter
  • 1 onion peeled and halved
  • Salt
  • 400 g spaghetti to serve
  • Parmigiano Reggiano to serve

Method
 

  1. Put the tomatoes with their juice, the butter and the onion halves in a saucepan.
  2. Bring to a gentle simmer and cook uncovered for 45 minutes, stirring and crushing the tomatoes against the side of the pan.
  3. Taste and add salt. Remove the onion.
  4. Toss with freshly cooked spaghetti and serve with grated Parmigiano.

Notes

Do not throw away the onion. It is delicious eaten on toast or chopped into a salad.