1 med. onion, thinly sliced
2 Tb. melted butter
6 med. potatoes (about 2 lbs.)
1 c. grated sharp process cheese
2 Tb. flour
2 tsp. salt
1/8 tsp. pepper
2 1/2 c. milk
1/4 c. finely crushed cracker crumbs or potato chips
Cook onion slices in butter 'til lightly browned.
Peel and slice potatoes. Place one-=quarter of potatoes in bottom of greased 2 qt. baking dish. Add one-quarter each: onion slices, cheese, four, salt and pepper. Repeat layers. Pour milk over top. Sprinkle with crumbs.
Cover and bake in 350º oven 1 hour. Remove cover the last 15 min. or baking times.