Add all of the ingredients to the bowl of a food processor fitted with the metal blade. Pulsing, process until the mixture forms a coarse powder.
For cooking shrimp, add 1/4 cup of the spices, along with 2 teaspoons salt, to a large saucepan of boiling water or half water and half beer. For lobster or crab, use 1 part distilled white wine to 3 parts water. Add the seafood and cook for 2 minutes, or until just cooked through. Remove the seafood and serve or chill.