Hot Potato Salad
["6 medium potatoes", "2 hard-boiled eggs, chopped", "4 slices bacon, diced", "1/2 c. minced onion", "1 egg, beaten", "1/4 c. cider vinegar", "1 3/4 tsp. salt"]
["Cook potatoes.", "Add chopped eggs.", "Fry bacon and onion until a delicate brown.", "Strain, reserving bacon fat.", "Add fat slowly to beaten egg and beat well.", "Add vinegar and salt and pour over potatoes.", "Mix lightly to blend well; heat in double boiler.", "Serve hot."]
["potatoes", "eggs", "bacon", "onion", "egg", "cider vinegar", "salt"]