Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   1                    ripe avacado
   1      tablespoon    lemon juice
     1/4  teaspoon      worcestershire sauce
     1/3  cup           vegetable oil
     1/4  cup           white wine vinegar
     1/4  cup           dairy sour cream
     3/4  teaspoon      onion salt
     1/3  cup           crumbled blue cheese
     1/4  cup           medium white wine
                        lettuce wedges

Preparation:

Cut avacado lengthwise in half; remove pit. Scoop out fruit; mash. Stir in sour cream, lemon juice, onion salt and Worcestershire sauce. Mash cheese with fork; stir in oil, wine and vinegar. Mix with avacado mixture. Cover and refrigerate until chilled, at least 2 hours. Serve over lettuce wedges.