Frankfurter Casserole
["4 medium potatoes, diced", "6 frankfurters, cut in slices", "1 1/2 c. sweet milk", "3/4 c. mayonnaise", "3 Tbsp. flour", "1 tsp. salt", "3/4 tsp. dry mustard", "1/4 tsp. black pepper", "1 medium onion", "2 c. cooked or canned beans, drained"]
["Cook potatoes until just tender; drain.", "Meanwhile, put milk, mayonnaise, flour, salt, mustard, pepper and onion in blender and blend in baking dish.", "Pour on sauce.", "Top with bread crumbs. Bake at 350\u00b0 for 45 minutes."]
["potatoes", "frankfurters", "sweet milk", "mayonnaise", "flour", "salt", "dry mustard", "black pepper", "onion", "beans"]