Crabmeat Pie

Ingredients

• 1, 7 1/2 ounce can king crab, flaked
• 1/2 pound fresh mushrooms, sliced
• 2 tablespoons butter
• 3 eggs, slightly beaten
• 2 cups milk
• 1 teaspoon dry mustard
• 1 teaspoon salt
• 1/4 teaspoon freshly ground pepper
• 1 tablespoon parsley, minced
• 1, 10 inch unbaked pie shell