1 lb. ground beef
1/4 c. chopped onion
4 oz. pizza sauce
3/4 c. shredded mozzarella cheese
1/8 tsp. oregano

In a bowl mix ground beef, onion and pizza sauce, 1/2 cup mozzarella cheese and the oregano. Shape into patties and brown in skillet. Spread remaining mozzarella over the burgers.