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No Bake S'mores Bars

Created by: Courtney
Prep Time 1 hour
Cook Time 10 minutes
Chill Time 3 hours
Yield: 16 bars
These no-bake s'mores bars are made with a buttery graham cracker crust, a rich and creamy chocolate ganache filling, and a fluffy layer of homemade toasted marshmallow fluff. They capture all the nostalgic flavors of a classic campfire s'more in an easy, oven-free dessert that's perfect for summer. Whether you're serving them at a BBQ, picnic, or family gathering, these bars are guaranteed to satisfy every s'mores craving.

Ingredients 

Graham Cracker Crust

  • 2 ½ cups (210 g) graham cracker crumbs (about 15-16 graham crackers)
  • ¾ cup (170 g) unsalted butter (melted)
  • 2 tbsp (24 g) granulated sugar
  • ¼ tsp (¼ tsp) salt

Chocolate Ganache Filling

  • 12 oz (340 g) semisweet chocolate chips
  • 4 tbsp (56 g) unsalted butter (cubed)
  • 2 tsp (2 tsp) vanilla extract
  • 1 cup (240 ml) heavy cream

Homemade Marshmallow Fluff

  • ½ cup (120 ml) light corn syrup
  • cup (70 g) granulated sugar
  • 2 tbsp (30 ml) water
  • 2 (2) large egg whites
  • ¼ tsp (¼ tsp) cream of tartar
  • 2 tsp (2 tsp) vanilla extract

Instructions

Graham Cracker Crust

  • Line a 9x9-inch baking pan with parchment paper, leaving an overhang on two sides for easy removal.
  • In a medium mixing bowl, combine the graham cracker crumbs, melted butter, granulated sugar, and salt. Stir until the mixture is evenly moistened and resembles wet sand.
  • Transfer the mixture to the prepared baking pan and spread it into an even layer. Using the bottom of a measuring cup or drinking glass, firmly press the crumbs into the pan to form a compact crust. Refrigerate while you prepare the chocolate ganache filling.

Chocolate Ganache Filling

  • Place the semisweet chocolate chips, cubed butter, and vanilla extract in a medium heatproof mixing bowl.
  • Heat the heavy cream in a microwave-safe bowl or large liquid measuring cup until it just begins to simmer and bubble, about 2 minutes. Watch it closely, as the cream can quickly boil over.
  • Pour the hot cream over the chocolate mixture and let it sit for 1 minute. Whisk until the chocolate is completely melted and the ganache is smooth and glossy.
  • Pour the ganache over the chilled graham cracker crust and spread it into an even layer with an offset spatula. Refrigerate for 1 hour, or until the ganache is set.

Homemade Marshmallow Fluff

  • While the chocolate ganache layer is chilling, make the homemade marshmallow fluff. In a small saucepan, combine the light corn syrup, granulated sugar, and water, stirring until the mixture is well combined.
  • Place the saucepan over medium heat and cook until the mixture reaches 240°F (116°C) on a candy thermometer, about 6-8 minutes. Do not stir the mixture as it cooks, as this can cause sugar crystals to form.
  • While the sugar syrup is heating, add the egg whites and cream of tartar to the bowl of a stand mixer fitted with the whisk attachment. Beat on medium speed until foamy, then increase to medium-high speed and whip until soft peaks form.
  • Once the sugar syrup reaches 240°F (116°C), immediately remove it from the heat. With the mixer running on medium speed, very slowly and carefully drizzle the hot syrup into the whipped egg whites in a thin, steady stream, avoiding the whisk if possible.
  • Add the vanilla extract and continue beating on medium speed for 3–4 minutes, or until the marshmallow fluff is thick, glossy, and fluffy.
  • Spread the marshmallow fluff evenly over the chilled chocolate ganache layer using an offset spatula, creating soft swirls and peaks for texture. Using a kitchen torch, carefully toast the marshmallow fluff until golden brown. If you don't have a kitchen torch, place the bars under your oven's broiler for 30–60 seconds, watching closely to prevent the marshmallow from burning.
  • Refrigerate the s'mores bars for at least 2 hours, or until fully chilled and set, before slicing and serving.

Notes

Storing & Serving:
  • Room temperature: Store the bars in an airtight container at room temperature for 1 day.
  • Refrigerator: Store the bars in an airtight container in the refrigerator for up to 4 days. Let the bars sit out for 15 minute before serving for the best taste and texture.
Tools & Supplies (affiliate links): 9x9 baking pan | Parchment paper | Candy thermometer | Kitchen torch | Offset spatula
Note: Metric conversions and nutritional information are calculated automatically. I cannot guarantee the accuracy of this information.

Nutrition

Serving: 1bar | Calories: 388kcal | Carbohydrates: 36g | Protein: 3g | Fat: 26g | Saturated Fat: 16g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 7g | Trans Fat: 0.5g | Cholesterol: 48mg | Sodium: 144mg | Potassium: 177mg | Fiber: 2g | Sugar: 25g | Vitamin A: 583IU | Vitamin C: 0.1mg | Calcium: 39mg | Iron: 2mg

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