Cheeseburger Pie

pastry for 9-inch pie
1 lb. hamburger
1 tsp. salt
1/2 tsp. oregano
1/4 tsp. pepper
1/2 cup dry bread crumbs
1 8-oz. can tomato sauce
1/4 cup onion, chopped
1/4 cup green pepper, chopped
1/2 cup chili sauce

Topping:
1 egg, beaten
1/4 cup milk
1/2 tsp. dry mustard
1/2 tsp. salt
1/2 tsp. Worcestershire sauce
2 cups cheese, grated

Brown meat and drain. Add salt, oregano, pepper, bread crumbs, 1/2 can tomato sauce, onion and green pepper. Pour into unbaked pie shell. Mix topping ingredients together and spread over meat mixture. Bake for 30 minutes at 425 degrees. Before serving, top with heated mixture of remaining 1/2 can tomato sauce and chili sauce.