Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   1      cup           sour cream
   1      cup           mayonnaise
   2      each          garlic -- cloves, crushed
     1/4  cup           parsley -- finely chopped
   1      teaspoon      salt
   3      tablespoons   sweet pickle relish
   1      tablespoon    Worcestershire sauce
   1      tablespoon    tarragon -- freshly chopped, or
   1      teaspoon      dried tarragon
   1      teaspoon      dry mustard
   1      teaspoon      paprika
     1/2  teaspoon      Tabasco sauce
   1      teaspoon      vinegar

Preparation:

Combine all ingredients and blend well. Serve as a dipping sauce for shellfish, or top off grilled fish steaks (Tuna) with dollops.