Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   7 1/2  cups          water
   2 1/2  pounds        unpeeled medium-size fresh -- shrimp
   3      medium        onions -- sliced
   1      cup           vegetable oil
     1/2  cup           red wine vinegar
     1/2  cup           tarragon vinegar
   2      tablespoons   sugar
   2 1/2  tablespoons   capers with juice
   1      tablespoon    lemon juice
   1      tablespoon    Worcestershire sauce
     1/2  teaspoon      salt
     3/4  teaspoon      hot sauce
   8                    bay leaves -- broken

Preparation:

Bring water to a boil; add shrimp, and cook 3 to 5 minutes or until shrimp turn pink. Drain well; rinse with cold water. Chill. Peel and devein shrimp. Layer shrimp and onion in an airtight container. Combine oil and remaining ingredients. Pour over shrimp and onion. Cover and chill 24 hours, stirring occasionally. Drain before serving. Yield: 10 appetizer servings