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+ servings
Smores Cake

S'mores Cake

This S'mores Cake recipe has layers of chocolate ganache, fluffy marshmallow, and is topped with graham crackers and more chocolate!
Course Dessert
Cuisine American, British
Prep Time 40 minutes
Cook Time 10 minutes
Total Time 50 minutes
Servings 16 slices
Calories 438kcal
Author Rebecca Swanner


Chocolate Roll Cake

  • 130 grams all-purpose flour
  • 1/4 tsp. salt
  • 20 grams cocoa powder
  • 4 large eggs room temperature
  • 1/4 tsp. vanilla extract
  • 125 grams + 2 Tbsp. caster sugar
  • 50 grams unsalted butter
  • 1 ounce chocolate chips or small pieces

Chocolate Ganache

  • 6 ounces chocolate chips or small pieces
  • 6 ounces heavy cream

Marshmallow Filling

  • 1 jar (7 oz.) marshmallow creme
  • 1 cup confectioner's sugar
  • 4 Tbsp. unsalted butter room temperature

S'mores Cake Toppings

  • 1/2 cup mini marshmallows
  • 1/2 cup chocolate pieces
  • 1/2 cup graham crackers broken into bite-sized pieces


Chocolate Roll Cake

  • Preheat oven to 350°F.
  • Spray 8"x 12" or 9" x13" baking sheet with nonstick spray. Place parchment on top and set aside.
  • Sift flour, salt, and cocoa powder together in medium bowl.
  • Separate egg whites and egg yolks into separate bowls.
  • Whip egg whites on high until it forms soft peaks. Scrape into separate bowl and clean mixing bowl.
  • Whisk egg yolks, sugar, and vanilla together.
  • Melt butter and chocolate together in microwave for 60 to 90 seconds until chocolate and butter have melted. Whisk to combine.
  • Whip egg yolk mixture on high for 5 minutes until it reaches ribbon stage and you can draw a figure 8 that holds for approx 5 seconds.
  • Whisk in chocolate mixture.
  • Fold in flour mixture.
  • Fold in egg whites.
  • Pour batter into prepared pan and bake for 10-12 minutes until just firm to touch.
  • While S'mores cake batter is baking, place a new piece of parchment on the counter and dust evenly with caster sugar.
  • Remove cake from oven, immediately flip onto caster sugar-lined parchment and peel away parchment cake was baked on.
  • Score cake on short side 1/2" from end closest to you, fold parchment paper over this end and carefully roll cake. Leave in parchment and set aside until cool.

Chocolate Ganache

  • Place chocolate in bowl. Heat heavy cream in small saucepan until almost boiling. Pour over chocolate chips and let stand for 1 minute. Stir until combined.

Marshmallow Filling

  • Using mixer, combine marshmallow fluff, confectioner’s sugar, and butter until smooth.

S'mores Cake Assembly

  • Carefully unroll chocolate cake roll.
  • Spread half of Chocolate Ganache on chocolate cake roll. Let cool for 5 minutes.
  • Spread Marshmallow Filling on top of chocolate ganache.
  • Reroll cake roll. Some filling may ooze out the sides.
  • Pour remaining Chocolate Ganache over top of chocolate cake roll.
  • Let ganache set then top with marshmallows, chocolate pieces, and graham crackers.


Serving: 1serving | Calories: 438kcal