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Irresistible S'mores Cookie Dough Bars You Have to Try - Featured Image

Irresistible S’mores Cookie Dough Bars You Have to Try

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Learn how to make delicious S’mores Cookie Dough Bars. Easy recipe with step-by-step instructions.

  • Total Time: 45 minutes
  • Yield: 4 servings 1x

Ingredients

Scale

  • 2 ½ cups all-purpose flour
  • 1 teaspoon baking soda
  • ½ teaspoon salt
  • 1 cup (2 sticks) unsalted butter, softened
  • 1 cup light brown sugar, packed
  • ½ cup granulated sugar
  • 2 large eggs
  • 2 teaspoons vanilla extract
  • 1 ½ cups mini marshmallows
  • 1 ½ cups semisweet chocolate chips (or chopped chocolate bars for extra melty goodness)
  • 1 cup graham cracker crumbs (about 8 full sheets crushed)

Substitution tips: If you’re short on graham crackers, digestive biscuits or even a mix of crushed vanilla wafers make a lovely alternative. For a dairy-free option, swap the butter for plant-based margarine and use dairy-free chocolate chips. I’ve done this many times when hosting friends with dietary restrictions—no one needs to miss out on the joy of s’mores!

Instructions

  1. Preheat your oven to 350°F (175°C). Line a 9×13-inch baking pan with parchment paper, leaving some overhang on the sides for easy removal later.
  2. In a medium bowl, whisk together the flour, baking soda, and salt. This step always reminds me of my grandma’s advice: “Measure twice, mix once.” It’s the small details that make all the difference.
  3. In a large bowl, beat the softened butter with the brown sugar and granulated sugar until light and fluffy—about 3 to 4 minutes. This is one of my favorite parts; the smell of the creamed butter and sugar instantly feels like home.
  4. Add the eggs one at a time, beating well after each addition. Stir in the vanilla extract. The batter will start to look glossy and rich here, signaling that we’re on the right track.
  5. Gradually mix the dry ingredients into the wet, just until combined. Avoid overmixing—remember, we want tender, chewy bars, not tough ones.
  6. Fold in the graham cracker crumbs gently, reserving half of them for the topping. Then fold in half of the chocolate chips and half of the mini marshmallows.
  7. Press half of the dough evenly into the prepared pan. Sprinkle the remaining graham cracker crumbs, chocolate chips, and marshmallows evenly over the dough layer.
  8. Drop spoonfuls of the remaining dough over the top and gently spread to cover the toppings as best as you can. Don’t worry if it’s a bit uneven—that’s part of the charm and texture!
  9. Bake for 25 to 30 minutes, or until the edges are golden brown and marshmallows are puffed and lightly toasted. I like to peek in around 20 minutes to make sure the marshmallows don’t burn—campfire memories don’t need to be smoky in the oven!
  10. Let the bars cool completely in the pan on a wire rack before lifting out with the parchment overhang. This resting time helps everything set perfectly, making them easier to slice and enjoy.

  • Author: Jenny
  • Prep Time: 15 minutes
  • Cook Time: 30 minutes
  • Category: Main Dish
  • Method: Cooking
  • Cuisine: International