Prick pie shell with fork. ... degrees. Brown ground beef in a skillet and set ... Add ground beef, mushrooms and cheese. Pour into prebaked ... to 1 1/2 hours).
Combine first 4 ingredients for marinade. Pour over beef and refrigerate 4-12 hours, covered. ... lower heat, add mushrooms, cover and cook until ... and gravy is thick.
In a skillet, heat oil ... as desired. Remove beef to a serving platter and ... pan juices, add mushrooms, onions and remaining butter. ... the steaks. Serve immediately.