Pizza Burgers
["1 lb. hamburger", "1 small onion", "1 small jar olives, chopped", "salt and pepper to taste", "1 to 2 tsp. oregano", "1/4 c. Parmesan cheese", "1 small can tomato paste", "hamburger buns"]
["Mix together all ingredients and spread on 1/2 buns; broil 5 minutes or until golden brown (doesn't take long!).", "Sprinkle with Mozzarella cheese and return to oven until cheese is melted."]
["hamburger", "onion", "olives", "salt", "oregano", "Parmesan cheese", "tomato paste", "buns"]