A pastry chef husband shares a simple Christmas shortcake recipe that can be easily made at home. The recipe explains in detail everything from how to make the genoise sponge cake by carefully whipping it with a whisk instead of using a hand mixer, to the tips for frosting. The key is to warm the batter to body temperature in a bain-marie and whip it to incorporate air, and when mixing in the flour, scrape the sides of the bowl until no flour remains. Slice the baked sponge cake, fill it with whipped cream and strawberries, and then frost it. It is important to use a turntable for frosting, apply plenty of cream, and touch it gently. This is a recipe packed with the basics that even beginners can use to make a delicious, fluffy shortcake.