Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
  12                    unpeeled jumbo fresh shrimp
   6      cups          water
   1      medium        onion -- finely chopped
     1/2  medium        green pepper -- finely chopped
     1/2  cup           celery -- finely chopped
     1/2  cup           butter or margarine -- melted
                        and divided
   1      pound         fresh lump crabmeat -- drained
   1      large         egg -- lightly beaten
     3/4  cup           crushed saltine crackers
     1/2  cup           mayonnaise
   1      tablespoon    prepared mustard
   2      teaspoons     Worcestershire sauce
     1/8  teaspoon      ground red pepper
                        paprika

Preparation:

Peel and devein shrimp, leaving tails intact; cut a slit almost through back of shrimp, using a paring knife. Open shrimp, and flatten. Bring water to a boil. Add shrimp; cook 1 minute. Drain; place in a shallow pan. Cook onion, green pepper, and celery in 1/4 cup butter in a skillet, stirring often, until tender. Combine crabmeat and next 6 ingredients in a bowl, stirring gently. Stir in vegetable mixture. Top each shrimp with 3 tablespoons crabmeat mixture; sprinkle with paprika. Drizzle 1/4 cup butter over top. Bake, uncovered, at 350F for 20 minutes. Broil 5 1/2 inches from heat (with electric oven door partially opened) 6 minutes, basting twice with pan drippings.