4. Drop about 1 Tablespoon of Batter onto One of the Prepared Baking Sheets and Repeat, Spacing Them at Least 3 Inches Apart. Bake One Sheet at a Time for about 10 Minutes Each, or until the Pies Spring Back when Pressed Gently. Remove from the Oven and Let the Cakes Cool on the Sheet for about 5 Minutes before Transferring Them to a Rack to Cool Completely

Make the Filling: in the Bowl of a Stand Mixer Fitted with the Paddle Attachment, Beat Together the Powdered Sugar and the Butter, Starting on Low and Increasing to Medium Speed, until the Mixture is Crumbly, about 1 Minute. Add the Heavy Cream, Vanilla, Peppermint Extract, and Salt and Beat on High until Smooth, about 3 Minutes