Make Ahead Tip: Press a piece of plastic wrap directly on the surface of the filling (Steps 4-5) and refrigerate for up to 1 day. Store the cookies (Step 3) in an airtight container at room temperature for up to 1 day. Refrigerate the assembled Whoopie Pies, uncovered, f
Easy cleanup: Recipes that require cooking spray can leave behind a sticky residue that can be hard to clean. To save time and keep your baking sheet looking fresh, line it with a layer of foil before you apply the cooking spray.
1 1/2 other carbohydrate, 2 fat