Shrimp And Artichoke Casserole - cooking recipe

Ingredients

6 1/2 tablespoons butter, divided
1 lb shrimp, cooked, shelled and deveined
4 1/2 tablespoons flour
1/4 lb mushroom
3/4 cup milk
1/4 cup dry sherry
3/4 cup whipping cream
1 tablespoon Worcestershire sauce
salt and pepper
1/2 - 1 cup freshly grated parmesan cheese, see note
15 ounces artichoke hearts, drained or 9 ounces frozen artichoke hearts
paprika

Preparation

NOTE the one cup may be a typo. Start with 1/2 cup to try this and work your way up. The reason I think it is a typo is 1 / was how the ingredient was written.
Preheat oven to 375 degrees.
Melt 4-1/2 tbsp butter in a saucepan. Stir in the flour and blend well. Gradually whisk in the milk and cream, until the mixture is thickened and smooth. Season with salt and pepper.
Arrange artichoke hearts in buttered 12\"x8\"x2\" baking dish. Scatter shrimp over the artichoke hearts.
Saute the mushrooms in 2 tbsp butter. for 6 minutes. Spoon the mushrooms over the shrimp in the baking pan.
Add the sherry and Worcestershire Sauce to the cream sauce. Pour the cream sauce over the shrimp. Sprinkle with the Parmesan cheese and paprika.
Bake at 375 degrees for 30 minutes.