Cheeseburger and Fries Casserole by Beth

Ingredients:
1 1/2 lb. ground beef
1/2 onion, chopped
1 can cream of mushroom soup
1 tsp. garlic salt
1/4 tsp. pepper
1 c. shredded sharp cheddar cheese
24 oz. frozen seasoned French fries
Assembly:
In skillet, brown beef with onion; drain fat.  Combine beef with soup, salt, and pepper.  Spread into the bottom of a greased 9 x 13 foil pan.  Sprinkle cheese evenly over the top.  Cover evenly with French fries.  Cover with foil lid and freeze.
Serving Day:
Completely thaw casserole.  Bake at 350 for 30 min.  Then, increase heat to 400 and continue to bake until fries are crispy and meat mixture is bubbly (15-20 min).  Serve with ketchup and mustard, if desired.