Fresh Tomato Sauce Sicilian

Heat a heavy stock pot, add the oil, garlic and onion. Sauté until the onion is clear. Add the remaining ingredients, except the butter , salt, and pepper. Bring to a simmer and gently cook, uncovered for 4 hours. Do not boil the sauce, it will become too runny. Stir in the butter, salt, and pepper, to taste.

Suggestions for serving: