1 can condensed cream of celery soup
3/4 c. milk
1/4 c. finely chopped onion
2-3 tsp. prepared mustard
4 c. cooked, diced potato
1/2 lb. franks, split lengthwise

Combine soup, milk, onion and mustard. In buttered 1 1/2 quart casserole, arrange alternate layers of potato, sauce and franks. Cover and bake at 400 degrees for 30 minutes. Serves 4.