Tomato Sauce with Red Wine

2 tablespoons olive or vegetable oil
1 large onion, chopped
1 (15-ounce) can tomato sauce
1 (6-ounce) can tomato paste
1/2 cup dry red wine
1 teaspoon dry oregano leaves
1 teaspoon dry basil leaves

Salt to taste

Heat oil in a wide frying pan over medium heat; add onion and cook, stirring often, until softened, about 5 minutes.

Stir in tomato sauce, tomato paste, wine, oregano and basil. Bring to a simmer; then simmer, uncovered, for 10 minutes. Season to taste with salt.

Makes about 4 cups sauce.