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MM Chocolate Cookie Bars

MM Chocolate Cookie Bars are no-bake treats made by layering crunchy cookie crumbs with gooey chocolate, chewy marshmallows, and melted chocolate for a rich, decadent finish. They have a chewy, sticky texture with a crispy base and a shiny chocolate topping, sliced into bars once set. The mixture involves melting, mixing, and pressing to create a layered, dessert-like bar that’s both comforting and indulgent.
Prep Time 15 minutes
Cook Time 10 minutes
Total Time 25 minutes
Course Main Course
Cuisine American
Servings 12
Calories 250 kcal

Equipment

  • Mixing bowls
  • 9x13-inch baking pan
  • Rubber spatula
  • Double boiler or microwave-safe bowl
  • Parchment paper or cooking spray

Ingredients
  

  • 2 cups cookie crumbs preferably crushed graham crackers or digestives
  • 1 cup marshmallows mini or regular, chopped if large
  • 1/2 cup unsalted butter melted
  • 1 cup semi-sweet chocolate chips for melting and topping
  • 1 cup sweetened condensed milk to make the chocolate topping smooth

Instructions
 

  • Line your baking pan with parchment paper or spray it lightly with cooking spray to prevent sticking.
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  • In a large mixing bowl, combine the cookie crumbs with melted butter, stirring until the mixture looks like damp, crumbly sand. This forms the crunchy base of your bars.
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  • Press the crumb mixture firmly into the prepared pan, creating an even layer that covers the bottom. Use the back of a spoon or a spatula to smooth and compact it down.
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  • Spread the marshmallows evenly over the cookie crust. They will start to settle into the layer, giving a chewy texture to the filling.
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  • Place the pan in the freezer for about 10 minutes; this helps the marshmallows set slightly before adding the chocolate topping.
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  • While waiting, melt the chocolate chips along with the sweetened condensed milk in a double boiler or microwave in short bursts, stirring until smooth and glossy.
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  • Pour the melted chocolate mixture over the marshmallows, spreading it evenly with a spatula to cover the entire surface. This forms the shiny, rich top layer.
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  • Return the pan to the refrigerator and chill for at least 10-15 minutes until the chocolate is set and the bars are firm.
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  • Once set, use a sharp knife to cut the bars into rectangles or squares, revealing the layered, chewy, and chocolaty interior.
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  • Serve the cookie bars directly from the fridge for the best chewy and gooey texture. Enjoy their rich chocolate flavor and nostalgic crunch.
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