2 lbs. ground beef
1 tsp. oregano
1 tsp. diced onion
Salt
Pepper
1 lb. grated Velveeta cheese
1 lb. spaghetti sauce
1 (6 oz.) can tomato paste
1 1/2 doz. hamburger buns
1 lb. shredded Mozzarella cheese

Brown ground beef, oregano, onions, salt, pepper. Drain off excess fat. Add Velveeta cheese cubes, spaghetti sauce and tomato paste. Mix meat and cheese until cheese melts. Spread on half of buns. Top with Mozzarella cheese. Bake 4 minutes at 500 degrees.