Crab and Shrimp Casserole

1/4 cup butter
1 pound fresh mushrooms, sliced
5 tablespoons flour
2 cups light cream
1/4 cup sherry
2 cup mayonnaise
1/2 cup minced parsley
1/2 cup scallions, chopped
3 cups bread crumbs
1 pound crab, well cleaned
1 pound shrimp, cooked and peeled
2 (14 ounce) cans artichokes, chopped
Parmesan cheese, to taste

Melt butter; saut� mushrooms. Add flour. Carefully blend in cream, adding a little at a time until thick sauce forms. Add sherry and cool. Next add mayonnaise, parsley, scallions and bread crumbs. Carefully stir in crab and shrimp. Grease a 13 x 9-inch casserole. Place chopped artichokes in casserole and spread crab and shrimp mixture over artichokes. Sprinkle top with Parmesan cheese. Bake at 350 degrees F for 30 to 40 minutes.

Yields 12 servings.