Shepherd'S Beef Pie

Directions

1. 1
   Saute very lightly mushrooms and add them with their juice to ground beef in a bowl.
2. 2
   Mix gently with bread crumbs, egg, catsup, soy sauce and mustard.
3. 3
   Then transfer to a baking pan or casserole.
4. 4
   Add a topping of mashed potatoes, well buttered, about 1/2-inch thick.
5. 5
   Bake 1 hour in a preheated 350° oven.
6. 6
   Potato topping should be crisp and golden.
7. 7
   If necessary, raise temperature for the last 10 minutes.
8. 8
   Serves 4 to 6.