Rancheros Casserole

Rancheros Casserole

1 package Au Gratin Potatoes
2 1/4 cup boiling water
1 cup canned corn, drained
2/3 cup milk
1/2 lb. lean ground beef, cooked and drained
1 cup shredded taco-seasoned or cheddar cheese
Chopped onion

Heat oven to 400. Mix potatoes, sauce mix, water, corn, milk and onion in ungreaded 2 qt. casserole. Stir in beef and 3/4 cup cheese. Bake, uncovered 30-35 minutes. Sprinkle with remaining cheese. Let stand a few minutes.