Francis Ford Coppola'S Tomato Sauce (Pomodoro Basilico) - cooking recipe

Ingredients

2 tablespoons olive oil
2 medium onions, chopped
3 (28 ounce) cans tomatoes, crushed and drained (imported Italian tomatoes highly recommended)
1 bunch fresh basil, coarsely chopped or torn
1 pinch red pepper flakes, crushed
1 tablespoon unsalted butter
2 lbs spaghetti, cook as directed and reserve the water

Preparation

Heat oil in a pan on on medium heat. Saute onions in oil until transparent (about 5-7 minutes). Add tomatoes, 1/4 of the basil and pepper flakes.
Simmer about 45 minutes. Add butter and remaining basil. If sauce is too thick, add some pasta cooking water.
Serve over pasta.