The baking sheet is placed under the baking dish to catch any sauce that might bubble over the sides of the dish as the dessert bakes.
How to Reheat Leftover Cake
The longer the cake sits, the thicker the fudge sauce gets. To reheat leftover cake, microwave each serving on microwaveable plate on HIGH 15 to 20 sec. or just until warmed. Serve immediately.
How to Easily Drizzle the Melted Chocolate
Pour melted chocolate into resealable plastic bag; snip off small corner from bottom of bag. Use to drizzle chocolate over marshmallows.