Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
  12                    oysters
   1                    mushroom-large -- finely chopped
   1      teaspoon      onion-minced
   3      tablespoons   butter
   1      teaspoon      flour
     1/2  cup           milk-warm
     1/4  cup           oatmeal-cooked
                        salt and pepper
   1      tablespoon    parsley-minced
   3      tablespoons   parmesan cheese-grated

Preparation:

Wash and shuck oysters, putting them on the half shell. Sauté the mushroom and onion in 1 tbs. butter until soft but not browned. Add flour and stir to blend. Add milk and stir until thickened. Add oatmeal and stir well. Season to taste with salt and pepper. Stir in parsley. Place oysters under broiler for 4 minutes Remove and cover each oyster with some sauce. Sprinkle with Parmesan cheese. Melt 2 tbs. butter and drizzle a few drops over oysters. Return to broiler and cook for 5 minutes or until browned.