3 lbs of Gulf Shrimp (leave peelings and heads on)
1 cup salt
1 cup cool water
Put the water, lemon, onion and cayenne in a large pot and bring to a boil over high heat. Boil for five minutes. Add the shrimp and bring the water back to boil. Boil for three minutes. Remove from heat and add the salt and the cool water. Cover and let stand for three to five minutes. Time will vary according to the size of the shrimp. Drain. Cool for a few minutes before serving.