3 tbsp. butter
4 English muffins, split
1 can (8 oz.) tomato sauce
2 tbsp. chopped onion
1/4 tsp. garlic salt
1/4 tsp. oregano
1 pkg. sausage (Brown & Serve) or pepperoni
1/2 c. shredded Mozzarella cheese

Butter each muffin half. Combine next 4 ingredients and spread on muffin. Arrange sausage slices on muffins, if desired. Top each with cheese; broil until cheese melts.