Chocolate Raspberry Pie
["1 unbaked pastry shell (9 inches)", "3 Tbsp. sugar", "1 Tbsp. cornstarch", "2 C. fresh or frozen, unsweetened raspberries, thawed"]
["Line unpricked pastry shell with a double thickness of heavy-duty foil.", "Bake at 450 degrees for 8 minutes.", "Remove foil; bake 5 minutes longer.", "Cool on a wire rack."]
["pastry shell", "sugar", "cornstarch"]