S’mores Bars

Posted on March 25, 2026

Delicious homemade S'mores Bars with chocolate and marshmallow layers

These gooey, nostalgic S’mores Bars are an easy crowd-pleaser perfect for summer parties or cozy nights by the fire. They come together quickly with a buttery graham crust, melty chocolate, and toasted marshmallows on top. If you love bar desserts, try our take on other favorites like chocolate chip cheesecake bars.

Why You’ll Love This S’mores Bars

  • Classic campfire flavor with less fuss and no skewers.
  • Quick to prepare and perfect for last-minute dessert needs.
  • Family-friendly and easy for kids to help assemble.
  • Makes great leftovers for snacking or packing in lunches.
  • Simple pantry ingredients you probably already have.

S'mores Bars

Ingredients Needed

  • Crust

    • 1 cup graham cracker crumbs
    • 1/2 cup unsalted butter, melted
    • 1/2 cup brown sugar
    • 1/4 teaspoon salt
  • Toppings

    • 1 cup chocolate chips
    • 2 cups mini marshmallows
  • Baking essentials

    • Grease for a 9×9 inch baking pan

For a different bar with veggies tucked in, check this carrot zucchini option: carrot zucchini bars with lemon frosting.


S'mores Bars

Step-by-Step Instructions 5

1. Preheat the oven

Preheat the oven to 350°F (175°C). Grease a 9×9 inch baking pan.

2. Mix crust ingredients

In a bowl, combine graham cracker crumbs, melted butter, brown sugar, and salt. Mix until well combined.

3. Press half the mixture

Press half of the mixture into the bottom of the prepared pan to form an even crust.

4. Add chocolate and marshmallows

Sprinkle chocolate chips and marshmallows evenly over the crust.

5. Top with remaining crumbs

Crumble the remaining graham cracker mixture on top, covering the chocolate and marshmallows.

6. Bake until bubbly

Bake in the preheated oven for 15-20 minutes, until golden and bubbly.

7. Cool and cut

Allow to cool before cutting into bars. Enjoy!


S'mores Bars

Serving Suggestions S’mores Bars

  • Serve warm with a scoop of vanilla ice cream for extra indulgence.
  • Drizzle with caramel and sprinkle with sea salt for a sweet-salty twist.
  • Pair with coffee or a cold glass of milk for a classic combo.
  • Present on a wooden board with extra marshmallows and graham crackers.
  • Try alongside a decadent dulce dessert like dulce de leche cheesecake bars for a dessert spread.

Tips for Success S’mores Bars

  • Press the crust firmly into the pan so bars hold together after baking.
  • Watch the oven closely the last few minutes to prevent marshmallows from burning.
  • For extra melty chocolate, use a mix of milk and semi-sweet chips.
  • Let bars cool fully for cleaner slices; warm bars may be too gooey to cut neatly.
  • Store in an airtight container at room temperature for up to 2 days, or refrigerate for longer.

Variations

Here are a few easy ways to change it up:

  • Peanut butter twist: sprinkle peanut butter chips with the chocolate chips.
  • Rocky road: add chopped nuts and a few extra marshmallows for texture.
  • Dairy-free: use dairy-free chocolate chips and a vegan butter substitute.

S'mores Bars

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