Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
2         c             Mayo
1/2       c             Milk
1/4       c             Water
2         tb            Parmesan, grated cheese
1         tb            Pepper; freshly grated
1         tb            Cider vinegar
1         ts            Lemon juice
1         ts            Onion; finely chopped
1         ts            Garlic salt

Preparation:

Whisk all ingredients until well combined and chill thoroughly before serving.