In a medium bowl, whisk together the flour, cornstarch, baking powder, and salt until well combined. In a large bowl using a stand mixer fitted with a whisk attachment, beat the eggs and sugar on high speed until pale and fluffy. Gradually add the vanilla extract and mix until smooth.
Fold the dry ingredients into the egg mixture in several additions, taking care not to deflate the batter. Pour the mixture evenly into a parchment-lined baking sheet, spreading it out with a spatula. Bake until the top springs back lightly when touched.
Once baked, invert the cake onto a clean kitchen towel dusted with powdered sugar. Carefully peel off the parchment and roll the cake with the towel while warm. Allow it to cool completely.
Unroll the cooled cake and spread it evenly with peppermint-flavored whipped cream or buttercream. Sprinkle with crushed candy canes for a festive crunch.
Reroll the cake tightly without the towel and place it seam-side down on a serving platter. Frost the outside with remaining cream and decorate with more crushed candy canes or a drizzle of melted white chocolate. Chill for at least one hour before slicing to serve.
"My candy cane roll gives a merry twist to the traditional Bûche de Noël, combining soft sponge, peppermint cream, and a bright holiday finish."
Author’s summary: A festive peppermint roll brings a playful, modern spin to the classic Bûche de Noël with light sponge, airy cream, and candy cane crunch.