1cook and drain 1 box of maccaroni. Chop up 1 can of corned beef. Cube 1 8oz. block of chedder cheese. Stir in 1 can of celery soup + 2/3's can of milk. Mix this all up real good and pour into a casserole dish. Top with 2/3's cup of crushed potato chips.bake at 350* for 30-40 min..