Tomato Sauce with Butter and Onion aka Almost Marcella’s Sauce

Marcella’s original version of this sauce is one of the great tomato sauces.  She uses canned tomatoes and leaves the onion unchopped then throws everything together to boil into a sauce.  It’s wonderful and I encourage you to try it.

This sauce is how I make it when I use fresh tomatoes (although you can use canned for mine as well).  The main difference is the onion.  I love soft cooked onions and like to have them remain in the sauce.

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Rich Sweet Tomato Sauce
Tomato Sauce made with butter and onion
Servings
Enough to sauce a lb of pasta
Ingredients
  • 1/2 large onion chopped
  • 4 tablespoons butter divided
  • 2 tbsp extra virgin olive oil
  • 1 lb ripe tomatoes OR
  • 1 28 oz can peeled tomatoes in juice
  • Salt to taste
Servings
Enough to sauce a lb of pasta
Ingredients
  • 1/2 large onion chopped
  • 4 tablespoons butter divided
  • 2 tbsp extra virgin olive oil
  • 1 lb ripe tomatoes OR
  • 1 28 oz can peeled tomatoes in juice
  • Salt to taste
Instructions
  1. Trim the stem end of the tomatoes and cut off any deep imperfections. Coarsely chop the tomatoes. Set aside with juices from cutting board.
    tomatoes, coarsely chopped
  2. Cook onion with a pinch of salt, olive oil and half the butter over low to moderate heat until it softens.
    sauté onions
  3. Once the onions are soft add the chopped tomatoes.
    chopped tomatoes and onions
  4. Add salt to taste and the remaining butter, and cook the tomatoes and onion together over a low simmer until the tomatoes break down and a sauce begins to form. Feel free to mash the tomatoes with a fork or potato masher as they soften.
  5. Note the change in color from red to orange. This color change is a key indicator the the fat (either oil or butter or both) and the tomatoes are combining into a saucy suspension. No orange color, not enough fat to give you the desired mouth feel.
    fresh tomato sauce
  6. Continue cooking over at a lively simmer until sauce thickens enough to nap the pasta. Toss with cooked pasta.
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