Easy Pizza Sauce

15 ounces stewed tomatoes
28 ounces tomato sauce
3/4 cup oil
2 tablespoons Parmesan cheese, grated
1 tablespoon sugar
1 tablespoon dried parsley
1 tablespoon oregano
1 teaspoon garlic salt
1 teaspoon salt
1/2 teaspoon pepper

In a food processor or blender, process stewed tomatoes until smooth.

Pour into a bowl and combine with tomato sauce, oil, grated Parmesan cheese, sugar, dried parsley, oregano, garlic salt, salt, and pepper; mix well.