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Decadent S’mores Yule Log

smores yule log - featured image

A rich and indulgent holiday dessert featuring chocolate sponge cake, marshmallow frosting, and graham cracker crumbs with a nostalgic campfire twist.

Ingredients

Scale
  • 1/2 cup (65g) all-purpose flour
  • 1/3 cup (40g) unsweetened cocoa powder
  • 1/2 teaspoon baking powder
  • 1/4 teaspoon salt
  • 4 large eggs, room temperature
  • 3/4 cup (150g) granulated sugar
  • 1 teaspoon vanilla extract
  • 1 cup (240ml) heavy whipping cream, chilled
  • 1/2 cup (120g) marshmallow fluff
  • 1/4 cup (30g) powdered sugar
  • 1 cup (170g) semi-sweet chocolate chips
  • 1/2 cup (120ml) heavy cream
  • 1/2 cup (60g) crushed graham crackers
  • Mini marshmallows (optional, for decoration)

Instructions

  1. Preheat your oven to 350°F (175°C). Line a 9×13-inch jelly roll pan with parchment paper, leaving extra hanging over the edges for easy removal.
  2. In a bowl, sift together the flour, cocoa powder, baking powder, and salt. Set aside.
  3. Using a stand mixer or hand mixer, beat the eggs and sugar on high speed until pale, thick, and tripled in volume (about 5 minutes). Add the vanilla extract and mix to combine.
  4. Gently fold the dry ingredients into the egg mixture in three additions. Be careful not to deflate the batter.
  5. Pour the batter into the prepared pan and spread it evenly. Bake for 12-15 minutes, or until the cake springs back when lightly pressed.
  6. While the cake is still warm, turn it onto a clean kitchen towel dusted with cocoa powder. Peel off the parchment paper and gently roll the cake, towel included, into a log. Let it cool completely while rolled.
  7. To make the marshmallow frosting, whip the heavy cream and powdered sugar until stiff peaks form. Fold in the marshmallow fluff until smooth.
  8. Unroll the cooled cake and spread the marshmallow frosting evenly over the surface. Sprinkle with crushed graham crackers, then roll it back up tightly. Refrigerate for at least 1 hour.
  9. To make the ganache, heat the heavy cream in a microwave-safe bowl until just steaming. Pour it over the chocolate chips and let sit for 2 minutes, then stir until smooth.
  10. Spread the ganache over the chilled yule log and use a fork to create a bark-like texture. Garnish with more crushed graham crackers and mini marshmallows if desired.

Notes

[‘Make sure your eggs are at room temperature for a better rise and more stable batter.’, ‘Don’t skip the kitchen towel rolling step — it helps the cake hold its shape and prevents cracks later.’, ‘Use cold heavy cream when whipping the marshmallow frosting; it’ll create a fluffier texture.’, ‘If your ganache is too thick, add a splash of warm cream and stir until smooth.’, ‘Chill the cake thoroughly before adding the ganache to avoid melting the frosting.’]

Nutrition

Keywords: S'mores, Yule Log, Holiday Dessert, Chocolate Cake, Marshmallow Frosting