Easy Bûche de Noël Recipe | King Arthur Baking

Ingredients

• 1 cup (170g) semisweet chocolate wafers, chopped
• 1/2 cup (113g) heavy cream
• 1/4 teaspoon table salt
• 1 teaspoon King Arthur Pure Vanilla Extract
• 6 tablespoons (85g) unsalted butter, at room temperature
• 5 large eggs, separated, at room temperature
• 1 cup (199g) granulated sugar, divided
• 1 1/4 cups (150g) King Arthur Unbleached All-Purpose Flour
• 1 1/4 teaspoons baking powder
• 1/2 teaspoon table salt
• 1/4 cup (50g) vegetable oil or canola oil
• 1/2 cup (113g) milk or half-and-half, at room temperature
• confectioners' sugar, for dusting the towel