This article provides a traditional recipe for making a chocolate Bûche de Noël, also known as a chocolate Yule log. The recipe includes step-by-step instructions on how to make the chocolate cake, filling, and frosting. The cake is rolled into a log shape and then covered with chocolate frosting resembling the bark of a tree. The recipe also suggests decorating the log with meringue mushrooms and powdered sugar for a festive touch. Overall, this article is a guide to making a delicious and visually appealing chocolate Yule log for the holiday season.