Old Fashioned Potato Salad
["2 lb. Irish potatoes, cooked and mashed", "1/3 c. pickles, chopped", "1/3 c. onion, chopped", "2 Tbsp. mayonnaise", "1 Tbsp. vinegar or pickle juice", "salt and pepper to taste"]
["Mix together and store in refrigerator until served."]
["Irish potatoes", "pickles", "onion", "mayonnaise", "vinegar", "salt"]