1 tablespoon olives or 1 tablespoon vegetable oil |
1 medium onion, chopped (1/2 cup) |
1 large clove garlic, finely chopped |
2 (26 ounce) jars four cheese-flavored tomato pasta sauce |
1 (15 ounce) can tomato sauce |
1 teaspoon dried italian seasoning |
2 (25 ounce) packages frozen beef-filled ravioli |
2 cups shredded mozzarella cheese (8 ounces) |
1/4 cup chopped fresh parsley, if desired |