Meat Shell Potato Pie

1 lb. lean ground beef
1 can (10 ¾ oz.) cream of mushroom soup, undiluted, divided
¼ cup chopped onion
1 egg
¼ cup dry bread crumbs
2 tbsp. chopped fresh parsley
¼ tsp. salt
pinch pepper
2 cups mashed potatoes
4 bacon strips, cooked and crumbles
½ cup shredded cheddar cheese

In a large bowl, combine beef, ½ cup soup, onion, egg, bread crumbs, parsley, salt, and pepper; mix well. Press onto the bottom and up the sides of a 9 inch pie plate. Bake at 350 degrees for 25 minutes; drain. Combine potatoes and remaining soup in a bowl; mix until fluffy. Spread over meat crust. Sprinkle with bacon and cheese. Bake at 350 degrees for 15 minutes. Let stand for a few minutes. Cut into 6 wedges.