Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
  10                    peppercorns
   4      whole         cloves
   3                    bay leaves
     1/2  teaspoon      mustard seeds
     1/2  teaspoon      dried whole oregano
     1/2  teaspoon      dried whole basil
     1/2  teaspoon      crushed red pepper
     1/8  teaspoon      celery seeds
   1      Dash          dried whole thyme
     1/2  teaspoon      salt
   1                    lime -- halved
   1                    lemon -- halved
   1      clove         garlic -- crushed
   3      pounds        fresh large or jumbo shrimp -- unpeeled

Preparation:

Combine first 9 ingredients in a doubled cheesecloth bag; tie securely with string. Bring 2 1/2 qts. water to a boil in a large Dutch oven. Add salt, lime, lemon, garlic, and herb bag; return to a boil and cook 2 to 3 minutes. Add shrimp and return to a boil. Reduce heat and simmer, uncovered, 3 to 4 minutes. Drain well; rinse with cold water. Chill. Peel and devein shrimp, leaving tails on, if desired.