1/2 lb. ground beef
1/4 c. black olives, chopped
1 to 1 1/2 tbsp. onion, chopped
1 c. Parmesan cheese
1 (6 oz.) can tomato paste
3/4 tsp. salt
1/2 tsp. pepper
1/4 tsp. oregano
English muffins, split
Mozzarella cheese

Brown ground beef. Drain. Add remaining ingredients. Spread on split English muffins. Top with Mozzarella cheese. Bake at 325 degrees for 30 minutes. This small amount of hamburger will make about 10-12 small pizzas.