Mommie Dot'S Famous Roast Beef Pie - cooking recipe

Ingredients

1 flat can roast beef with gravy
1 can cream of mushroom soup
1 (2 1/2 oz.) jar sliced mushrooms
1 medium onion, finely chopped
pepper to taste
1 Pet-Ritz frozen pie shell

Preparation

Mix pie ingredients in mixing bowl.
Pour into pie pan.
Cover with pie shell which is just soft enough to lay flat.
Puncture shell several times with fork and pat with butter (or squeeze margarine).
Bake 45 minutes to 1 hour at 400\u00b0.