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Best No-Bake Smores Icebox Cake Easy Summer Dessert

no-bake smores icebox cake - featured image

This no-bake S’mores icebox cake captures everything we love about that classic summer treatโ€”the crunch of the graham cracker, the richness of the chocolate, the pillowy sweetness of the marshmallowโ€”and turns it into a dessert that is actually easier to make than the original. No fire required, just layers of creamy, crunchy, chocolatey, marshmallowy perfection that sets up in the fridge.

Ingredients

Scale
  • 1 full box (about 1416 full sheets) graham crackers
  • 2 cups (480 ml) heavy whipping cream, cold
  • 1 jar (about 7 ounces or 200 grams) marshmallow creme (fluff)
  • 8 ounces (225 grams) semi-sweet chocolate, finely chopped
  • 4 tablespoons (56 grams) unsalted butter, cubed
  • 1 teaspoon (5 ml) vanilla extract
  • A pinch flaky sea salt (optional, for sprinkling)
  • Optional garnish: extra graham cracker crumbs, mini marshmallows, melted chocolate drizzle

Instructions

  1. Make the chocolate ganache first. Place the finely chopped semi-sweet chocolate and cubed unsalted butter in a heatproof bowl. Heat 1/2 cup of heavy cream in a small saucepan over medium heat until it just begins to simmerโ€”you will see small bubbles around the edges. Pour the hot cream over the chocolate and butter. Let it sit for 2 minutes without stirring. Then, gently whisk until smooth and glossy. Stir in the vanilla extract. Set aside to cool slightly while you prepare the other layers. Do …
  2. Whip the cream. Pour the remaining 1 1/2 cups of cold heavy cream into a clean mixing bowl. Using an electric hand mixer or stand mixer with the whisk attachment, beat the cream on medium-high speed until soft peaks form. You are looking for peaks that hold their shape but droop slightly at the tips. This usually takes about 2-3 minutes. Be careful not to over-whip, or you will end up with butter.
  3. Fold in the marshmallow creme. Scoop the entire jar of marshmallow fluff into the bowl with the whipped cream. Use a rubber spatula to gently fold it together. Do not stir vigorously. You want to incorporate the fluff without deflating all that lovely air you just whipped into the cream. Fold until you see no more white streaks. The mixture should be light, fluffy, and smell like toasted marshmallows.
  4. Prepare your graham crackers. You will need to break some of the graham cracker sheets to fit your dish perfectly. For a 9×9 dish, you can usually fit 3 full sheets per layer. If some break, do not worryโ€”just patch them together like a puzzle. The cream will hold everything in place.
  5. Start layering. Spread a thin layer of the marshmallow cream mixture on the bottom of your baking dish. This helps the first layer of graham crackers stick. Place a single layer of graham crackers on top, breaking pieces as needed to cover the entire surface. Spread about 1/3 of the remaining marshmallow cream evenly over the crackers. Drizzle about 1/3 of the chocolate ganache over the cream layer. Repeat this process two more times: graham crackers, marshmallow cream, chocolate ganache. You sh…
  6. Finish the top. Pour the remaining chocolate ganache over the top layer of graham crackers. Use a spatula to spread it evenly, letting it drip down the sides if you like that rustic look. Sprinkle a pinch of flaky sea salt over the top. If you want to get fancy, add a few mini marshmallows and a sprinkle of crushed graham crackers.
  7. Chill, chill, chill. Cover the dish with plastic wrap or aluminum foil and refrigerate for at least 6 hours, but overnight is better. I know it is hard to wait, but this step is non-negotiable. The graham crackers need time to soften and absorb the cream, transforming from crunchy crackers into a cake-like texture. If you cut into it too soon, you will have a sad, crunchy mess.

Notes

Do not skip the ganache cooling step. Let the ganache cool to room temperature before layering to avoid melting the cream. Use a serrated knife for slicing clean layers. Let the cake sit at room temperature for 10-15 minutes before serving for best flavor. If in a hurry, you can chill in the freezer for about 2 hours, but watch carefully to avoid freezing solid. The cake keeps in the refrigerator for up to 5 days and can be frozen for up to 1 month.

Nutrition

Keywords: no-bake, smores, icebox cake, summer dessert, easy dessert, graham crackers, chocolate, marshmallow