1 lb. ground beef
1 tbsp. onions
1/2 c. tomato sauce
1/2 c. catsup
2 tbsp. Parmesan cheese
1/4 tsp. garlic powder
1/4 tsp. oregano
Mozzarella cheese

Brown beef and onions; drain. Add tomato sauce and catsup, Parmesan cheese, garlic powder and oregano. Cook for 10 minutes. Spread mixture over buns. Layer with mozzarella cheese. Wrap each in aluminum foil. Bake for 15 minutes at 350 degrees.