1 deep dish pie crust
1 lb. hamburger, cooked
1 (15 oz.) can tomato sauce
1/2 tsp. dried mustard
1/2 tsp. oregano
1 egg
1 slice bread, torn up
2 c. cheddar cheese

Combine all ingredients, except cheese in pie crust. Sprinkle cheese over top. Bake at 350 degrees for approximately 30 minutes until cheese melts.