Go Back
smores cookie bars 2026 05 08 190132 683x1024 1

S'mores Cookie Bars

S'mores Cookie Bars combine the best elements of a campfire treat with the convenience of a cookie bar. Soft, chewy, and packed with gooey chocolate and marshmallows, they are perfect for any occasion.
Print Recipe Pin Recipe
Prep Time 15 minutes
Cook Time 25 minutes
Total Time 40 minutes
Servings: 12 bars
Course: Dessert, Snack
Cuisine: American
Calories: 250
Ingredients Method Notes

Ingredients
  

Cookie Bar Base
  • 1 cup unsalted butter, melted Make sure it's melted but not too hot.
  • 1 cup brown sugar, packed
  • 1/2 cup granulated sugar
  • 1 teaspoon vanilla extract
  • 2 large eggs
  • 2 cups all-purpose flour Can substitute with gluten-free flour.
  • 1 teaspoon baking soda
  • 1/2 teaspoon salt
  • 1 cup chocolate chips Use high-quality for richer flavor.
  • 1 cup mini marshmallows
  • 1 cup graham cracker crumbs

Method
 

Preparation
  1. Preheat the oven to 350°F (175°C). Grease a 9x13 inch baking dish.
  2. In a large bowl, mix melted butter, brown sugar, and granulated sugar until smooth.
  3. Stir in vanilla extract and eggs until well combined.
  4. In a separate bowl, whisk together flour, baking soda, and salt. Gradually add to the wet ingredients.
  5. Fold in chocolate chips and graham cracker crumbs.
Baking
  1. Spread half of the cookie mixture in the bottom of the prepared baking dish.
  2. Layer mini marshmallows and remaining cookie dough on top.
  3. Bake for 20-25 minutes until golden brown.
  4. Allow to cool before cutting into bars.

Notes

Serve warm or at room temperature. Drizzle with chocolate sauce for an extra treat. Store in an airtight container at room temperature for up to three days or refrigerate for a week. For longer storage, freeze for up to three months.