1 lb. ground chuck
1/4 c. chopped onions
1/4 c. cheese sauce
1/2 can cream of mushroom soup
1 tbsp. catsup
1 egg
6 slices American cheese
6 slices tomatoes
1 pie crust, bottom only
1/4 tsp. salt and pepper

Line pie plate with pastry. Cook and drain beef, cook onions, mix all ingredients except tomatoes and cheese. Pour into pie shell. Top with sliced cheese and tomatoes. Bake at 325 degrees for 25 to 35 minutes.