Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   6      tablespoons   butter
   3      tablespoons   flour
     1/4  teaspoon      dry mustard
     1/2  teaspoon      lemon peel
     1/2  teaspoon      bon appetit
     1/2  teaspoon      powdered horseradish
   2      cups          light cream
     1/2  cup           sliced mushrooms
   2      teaspoons     instant minced onion
     1/2  pound         scallops
     1/2  pound         cleaned -- cooked shrimp
     1/4  pound         crab meat
   2      tablespoons   dry sherry
                        bread crumbs

Preparation:

Melt 4 tbsp of the butter in saucepan. Add flour, dry mustard, lemon peel, bon appetit and powdered horseradish, then stir until well blended. Add cream. Cook, stirring, until thickened. Sauté mushrooms and onion in the remaining 2 tbsp butter. Remove from pan with slotted spoon. To butter in pan add scallops, which have been cut into bite sized pieces, and sauté 3 minutes. Cut shrimp into small pieces. Combine sauce, mushrooms, scallops, shrimp, crab meat and sherry. Spoon into shells or ramekins; top with bread crumbs. Bake in 400 oven for 10 minutes, then broil a few minutes until lightly browned. Serves 8-10 people. Source: Spices of the World Cookbook, by McCormick