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A s'mores ice cream cake on a white cake stand.

S'mores Ice Cream Cake

Heather Smoke
This made-from-scratch s'mores ice cream cake features layers of graham cracker crust, ganache, homemade no-churn ice cream, whipped cream and marshmallow fluff.

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5 from 1 vote
Prep Time 1 hour
Freeze Time 8 hours
Total Time 9 hours
Course Dessert
Cuisine American
Servings16

Equipment

  • Adjustable Mousse Ring or Springform Pan (6-9 inches)

Ingredients
 

Graham Cracker Crust

  • 1 cup finely crushed graham crackers (6 crackers)
  • ¼ tsp coarse Kosher salt (if using table salt, use half the amount)
  • 5 tbsp unsalted butter, melted

Ganache

  • 2 oz good-quality semi-sweet chocolate, chopped
  • 2 oz (1/4 cup) heavy whipping cream

Border

  • 8 graham crackers

Vanilla Ice Cream

  • 7 oz (1/2 can) sweetened condensed milk
  • 1 cup cold heavy whipping cream
  • 1 ½ tsp vanilla extract
  • pinch salt

Chocolate Ice Cream

  • 7 oz (1/2 can) sweetened condensed milk
  • 1 cup cold heavy whipping cream
  • ¼ cup unsweetened cocoa powder
  • 1 ½ tsp vanilla extract
  • pinch salt

Topping

  • 1 cup cold heavy whipping cream (or replace the sweetened whipped cream with marshmallow fluff)
  • 2 tbsp powdered sugar
  • crumbled graham crackers
  • marshmallows
  • chopped chocolate

Instructions
 

  • GETTING READY
    First, determine what size you want your cake. I used an adjustable mousse ring tightened to almost 6 inches, which made a very tall cake that was a little more difficult to cut and serve. An 8 or 9 inch cake is more manageable, with wider shorter layers that are easier to cut and serve for more servings. If you're using a mousse ring (which has no base), you'll need to set it on a cake board or plate to assemble your ice cream cake.
  • GRAHAM CRACKER CRUST
    In a bowl, combine the crushed graham crackers and salt, then add the melted butter. Stir until moistened and crumbly.
    Press the crumbs into an even layer on the bottom of the mold/pan.
  • GANACHE
    Chop the chocolate and set aside. Heat the cream until hot, then pour over the chocolate. Stir until smooth and shiny.
    Pour the ganache over the crust into an even layer. Refrigerate until set, but still sticky to the touch, about 10-15 minutes.
  • BORDER
    Arrange the whole graham crackers around the sides of the pan. The ganache will help to hold them in place. For a shorter 8 or 9 inch cake, you should break the crackers into halves or fourths and arrange them around the side.
  • VANILLA ICE CREAM
    In a bowl, use a hand-held electric mixer to whip the sweetened condensed milk, cold heavy whipping cream, vanilla and salt until soft, fluffy peaks form that hold their shape.
    Spread the vanilla ice cream into an even layer over the ganache, and place in the freezer while you make the chocolate ice cream.
  • CHOCOLATE ICE CREAM
    In a bowl, use a hand-held electric mixer to whip the sweetened condensed milk, cold heavy whipping cream, cocoa powder, vanilla and salt until soft, fluffy peaks form that hold their shape.
    Spread the chocolate ice cream into an even layer over the vanilla ice cream.
  • FREEZE
    Cover the cake with plastic wrap and freeze until solid, at least 8 hours, or overnight.
  • TOPPING
    Just before serving, whip the cream and powdered sugar until soft, fluffy peaks form that hold their shape. Pile the whipped cream on top of the chocolate ice cream. (If using marshmallow fluff or creme instead of whipped cream, just pile as much as you like on top of the ice cream.)
    Sprinkle the top with crumbled graham crackers, marshmallows and chopped chocolate.
  • SERVING
    Unmold the cake from the mousse ring or springform pan by loosening and removing the sides of the pan. You'll need to let the cake soften at room temperature for 10-15 minutes before you can slice it. Note that marshmallow fluff doesn't freeze fully solid, and will remain somewhat soft and sticky even in the freezer. The whipped cream topping will freeze with a more hard/icy texture.
Keyword Ice Cream Cake, S'mores
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