1 tbsp. butter
1 tbsp. flour
3/4 tsp. salt
1/2 tsp. dillweed
1 c. milk
1/2 c. mayonnaise
3 tbsp. minced onion
4 c. diced, cooked potatoes
Paprika

Melt butter, blend flour, salt and dill. Add milk, cook, stirring until thick. Blend in mayonnaise and onions. Alternate layers of potatoes and sauce in a casserole. Bake at 350 degrees for 15 minutes.