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Gooey s’more bars with chocolate and marshmallow

S’more Bars

These gooey, nostalgic S’more Bars transform the classic campfire treat into a sliceable, oven-baked dessert layered with graham cracker crust, rich chocolate, and toasted marshmallows. Perfect for cozy nights or holiday spreads.
Servings 16 bars
Prep Time 15 minutes
Cook Time 22 minutes
Total Time 37 minutes

Equipment

  • mixing bowl
  • spatula or spoon
  • 8x8 or 9x9-inch baking dish
  • parchment paper
  • oven
  • measuring cups and spoons
  • Knife for slicing

Ingredients

  • 2 cups graham cracker crumbs
  • 0.5 cup unsalted butter, melted
  • 1 can (14 oz) sweetened condensed milk
  • 1.5 cups semi-sweet chocolate chips
  • 2 cups mini marshmallows
  • 1 pinch sea salt (optional)
  • 0.5 tsp vanilla extract (optional)
  • 2 tbsp crushed pretzels (optional topping)

Instructions

  • Preheat oven to 350°F (175°C). Line an 8x8 or 9x9-inch baking dish with parchment paper.
  • Mix graham cracker crumbs and melted butter until combined. Press evenly into the bottom of the pan to form the crust.
  • Pour sweetened condensed milk evenly over the crust layer.
  • Sprinkle chocolate chips evenly across the top, followed by the mini marshmallows.
  • Optionally add sea salt, vanilla extract, or crushed pretzels for extra flavor.
  • Bake for 18–22 minutes, until the marshmallows are golden and the edges are bubbly.
  • Let cool completely. For clean cuts, refrigerate 30–60 minutes before slicing.

Notes

To add a twist, swap graham crackers for pretzels or Oreos. Add chopped pecans between the chocolate and marshmallow layers for crunch. Store in an airtight container at room temp for 4 days or freeze for up to 2 months.

Nutrition

Calories: 280kcalCarbohydrates: 34gProtein: 3gFat: 14gSaturated Fat: 9gPolyunsaturated Fat: 1gMonounsaturated Fat: 3gCholesterol: 25mgSodium: 105mgPotassium: 130mgFiber: 1gSugar: 24gVitamin A: 300IUCalcium: 90mgIron: 1.2mg
Author: Serine milo
Calories: 280kcal
Cost: 5
Course: Dessert
Cuisine: American
Keyword: campfire dessert, chocolate graham marshmallow, s’more bars