This video shows you how to make simple yet flavorful chocolate shortbread cookies. The dough is made by adding powdered sugar to softened unsalted butter at room temperature, then mixing in egg whites, sifted cake flour, almond flour, cocoa powder, and salt. Using a piping bag and a flower nozzle, the dough is piped out in cute swirls, and then topped with your favorite jam (strawberry, fig, orange marmalade, blueberry, etc.) in the center before baking. The result is a slightly sophisticated shortbread with a crisp texture, a perfect balance of sweetness, the slight bitterness of cocoa, and the fruity tartness of the jam. It's perfect for enjoying at home or as a small gift. The video also includes a tip for preserving the cookies: after enjoying them fresh, store them in the refrigerator without wrapping them to maintain their crisp texture.