Old-Timey Potato Salad
["6 medium potatoes, peeled and sliced", "1 small onion", "1 egg", "2 Tbsp. magarine", "salt, pepper and vinegar to taste"]
["Cook potatoes in salt water until well done.", "Drain and add raw egg and margarine. Mash together until potatoes are soft and fluffy.", "Add diced onions and vinegar.", "Mix together. Sprinkle with pepper.", "Serve warm."]
["potatoes", "onion", "egg", "magarine", "salt"]