1 lb. ground beef
1/4 c. chopped onion
1/4 c. chopped green pepper
1 c. sour cream
1 tsp. Worcestershire sauce
1/4 tsp. garlic powder
4-6 Kaiser rolls or hamburger buns, split
2 tomatoes
1 c. shredded American or Cheddar cheese

Brown beef, onion and green pepper; drain off fat. Stir in sour cream, Worcestershire and garlic powder. Heat through, but do not boil. Spread the hot mixture on buns. Sprinkle with cheese like open face sandwiches. Place on baking sheet and heat until cheese melts. Add sliced tomatoes on top.