¾ cup chopped onion 2 cloves garlic, minced 2 tablespoon butter or margarine 2 14.5 ounce can whole Italian-style tomatoes, undrained and cut up ½ 6 ounce can tomato paste, (1/3 cup) ½ teaspoon sugar ¼ teaspoon salt ⅛ teaspoon black pepper ¼ cup snipped fresh basil, or 1 tablespoon dried basil, crushed