2 tbsp. butter
1 med. onion, thinly sliced
6 med. potatoes
1 c. grated sharp process cheese
2 tbsp. flour
2 tsp. salt
1/8 tsp. pepper
2 1/2 c. milk
1/4 c. finely crushed cracker crumbs or potato chips

Melt butter in skillet; saute onion slices until browned lightly. Peel and slice potatoes. Put layer in bottom of greased 2 quart baking dish, add 1/4 cup of the onions, sprinkle with 1/4 cup of cheese, 1/2 tablespoon flour, salt and pepper. Repeat layers. Pour milk over top. Sprinkle with crumbs. Cover and bake at 350 degrees for 1 hour. Remove cover last 15 minutes.