Linz sweets - Christmas sweets

This image shows traditional Czech Christmas cookies known as Linzer cookies. These pastries are typically made from butter, sugar, eggs, and flour, with added vanilla extract or lemon zest for flavor. The cookies are assembled by sandwiching two layers of dough with a thin layer of jam, usually currant or strawberry, and topped with a dusting of powdered sugar. The shapes of the cookies in the image include flowers and circles with a cut-out center, which is a common decorative technique.