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Hand holding s'mores bar cookies
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5 from 5 votes

S'mores cookie bars

These delicious s'mores cookie bars are filled with delicious marshmallow creme and chocolate bars in the center.
Prep Time10 minutes
Cook Time25 minutes
Total Time35 minutes
Course: Dessert
Cuisine: American
Servings: 16 servings
Calories: 208Calories

Ingredients

Cookie dough

  • ½ cup Butter softened, salted or unsalted
  • cup brown sugar
  • ¼ cup granulated sugar
  • 1 egg
  • 1 teaspoon vanilla extract
  • 1 &½ cup AP flour
  • ½ cup graham crackers finely crushed, about 3.5 sheets, for the cookie dough
  • ¼ teaspoon salt
  • ¾ teaspoon baking soda
  • 5 standard Hershey bars
  • 1 & ½ cup Marshmallow fluff

Instructions

  • Preheat the oven to 350F then line an 8x8 inch baking pan with parchment paper and set it aside.
  • Cream the butter, granulated sugar, and brown sugar until combined. Add in the egg and the vanilla extract and mix again.
    ½ cup Butter, ⅓ cup brown sugar, ¼ cup granulated sugar, 1 egg, 1 teaspoon vanilla extract
  • Add in the flour, graham cracker crumbs, salt, baking soda, and mix just until the flour mixture disappears.
    1 &½ cup AP flour, ½ cup graham crackers, ¼ teaspoon salt, ¾ teaspoon baking soda
  • Press half of the dough evenly onto the prepared baking sheet then remove that parchment from the pan and place in the fridge while you re-line the pan with more parchment paper and repeat the process with the leftover cookie dough.
  • Place the chocolate bars over the dough, feel free to break pieces apart to fit the whole surface. Spread the marshmallow fluff or creme on top of the chocolate bar then gently flip the chilled cookie dough layer on top working carefully to keep it intact.
    5 standard Hershey bars, 1 & ½ cup Marshmallow fluff
  • Bake the cookies in the preheated oven for 25 minutes. Make sure you let the bars cool down fully before slicing into them to get that beautiful cross section that you see in my images.

Nutrition

Calories: 208Calories | Carbohydrates: 32g | Protein: 3g | Fat: 8g | Saturated Fat: 5g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 2g | Trans Fat: 0.2g | Cholesterol: 26mg | Sodium: 321mg | Potassium: 45mg | Fiber: 1g | Sugar: 17g | Vitamin A: 192IU | Calcium: 45mg | Iron: 1mg