Fresh Tomato Sauce Sicilian - cooking recipe

Ingredients

1/4 cup olive oil
4 cloves garlic, crushed
1 medium yellow onion, finely chopped
9 cups tomatoes, fresh,cored andchopped,very ripe
4 (28 ounce) cans tomatoes, crushed with juice
1/4 cup parsley, chopped
1/2 cup dry white wine
1 cup chicken stock
1 teaspoon dried marjoram
1 teaspoon dried rosemary
6 tablespoons butter
salt
pepper

Preparation

Heat an 8- to 10-quart heavy-bottom pot and add the oil, garlic, and onion.
Saute until the onion is clear.
Add the remaining ingredients except the butter and salt and pepper.
Bring to a simmer and gently cook, uncovered, for 4 hours, stirring often.
Stir in the butter and salt and pepper to taste.