Combine the following to make the sauce: 10 1/2 oz Can tomato soup 1 tb Dry oregano leaves 1/2 ts Garlic salt TOPPINGS 8 oz Mozzarella; shred 8 oz Meunster; shred 1/3 c Parmesan; grate 8 oz Pepperoni; slice thin 8 oz Can mushrooms; drain .