A bûche de Noël—a cake decorated like a yule log—is a traditional dessert served around Christmastime in France, Belgium, Canada and some other French-speaking countries. Some bûche de Noël cakes can be as heavy as a real log when they are decked out with sugar and buttercream. Our yule log recipe, which is just as tasty served cold as it is at room temperature, is lighter than air. Make a beautiful yule log for the holidays this year with our step-by-step instructions: