Shoestring Hot Dish
["1 lb. hamburger", "1/2 c. chopped onion", "1 (20 oz.) pkg. frozen French fries", "2 cans cream of mushroom soup", "2 soup cans milk"]
["Brown hamburger and onion.", "Drain off fat.", "Blend soup and milk.", "Mix everything in 4-quart casserole.", "Cover and bake at 350\u00b0 for 1 1/2 hours.", "Remove cover last 10 to 15 minutes.", "Makes 6 servings."]
["hamburger", "onion", "cream of mushroom soup", "milk"]