Marcella Hazan's 3 Ingredient Tomato Sauce

Step 2: Simmer the sauce

  • Sauce

    • whole peeled tomatoes
      800 g1 28oz can
    • onions
      , yellow or white
      1
    • butter
      , unsalted
      70 g~5 tbsp
    • salt
      to taste

Add the tomatoes, butter, peeled onion halves, and a small pinch of salt to a large skillet over medium-low heat.

  • A wider skillet sauce more effectively than a deep pot: the wider surface area s moisture more easily.

Stirring occasionally, let the sauce until it is reduced and thickened, about 30 minutes.

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