1 (6 oz.) can tomato paste
1/4 c. sm. onion
1/8 tsp. oregano
1/2 tsp. salt
Dash of pepper
2 tbsp. Parmesan cheese
4 hamburger buns or English muffins
2 tbsp. soft butter
8 slices white American cheese

Add finely chopped onion to tomato paste in small bowl; add oregano, salt, pepper and grated Parmesan cheese. Spread soft butter on 8 halves of buns or muffins; place on broiler pan and toast under broiler.

When golden brown remove from broiler and place a slice of cheese on each half bun. Then spread tomato mixture on top of cheese. Broil about 5 inches from the unit for 3 or 4 minutes or until cheese melts a little. Cut in bite-size pieces and serve.