Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   3      large         potatoes
                        reserved potato cooking water
   3      teaspoons     fresh garlic, minced
     1/2  cup           lemon juice
   2      cups          mayonnaise

Preparation:

Peel and boil potatoes. Drain (save some of the cooking water), cool, mash with garlic. Mix in lemon juice, then mayo. Mix until well incorporated. Add potato-cooking water as need to thin slightly. Chill before using. Makes just under 3 cups.