2 1/2 c. uncooked macaroni
1 (12 oz.) can corned beef
2 c. shredded Cheddar cheese
1 can cream of chicken soup
1 c. plus 1 soup can milk
1/2 c. chopped onion

Mix together all ingredients in giant casserole dish. Mixture will expand during baking. Top with 2 to 3 slices buttered bread, cut in cubes. Bake 45 minutes at 350 degrees. Let stand 10 minutes before serving.