5 whole English muffins
1/2 c. tomato sauce
1 tsp. oregano
1/4 c. onion, chopped
1/2 c. Mozzarella cheese

Preheat oven to 400 degrees. Split muffins in half, place on baking sheet. Mix tomato sauce, oregano and spoon on each muffin. Sprinkle onion over muffins and top with cheese. Bake about 5 minutes or until light brown.