1 lb. hamburger 6 oz. can tomato paste 1 tsp. salt 1/2 tsp. oregano 1/4 tsp. pepper 1/4 cup onion, chopped 1 cup cheese, grated Hamburger buns

Brown meat and drain grease. Add tomato paste, salt, pepper, oregano, and onion; cool. Add grated cheese and spread on bun halves. Heat under broiler.