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Preheat your oven to 350°F. Line an 8x8 inch baking pan with parchment paper, leaving an overhang on the sides for easy removal later.

In a large mixing bowl, combine the all-purpose flour, brown sugar, granulated sugar, baking soda, and salt. Whisk until well combined.

Add the melted unsalted butter and the large egg to the dry ingredients. Mix thoroughly with a spatula or wooden spoon until a cohesive cookie dough forms.

Fold in the chocolate chips until evenly distributed throughout the cookie dough.

Arrange the cinnamon graham crackers in a single layer to cover the entire bottom of the prepared baking pan. You may need to break some crackers to fit snugly.

Take about half of the prepared chocolate chip cookie dough and carefully spread it evenly over the graham cracker layer. It can be a bit sticky, so gently press and spread with your fingers or a small offset spatula.

Scatter the large marshmallows generously over the cookie dough layer.

Place the broken pieces of milk chocolate bars on top of the marshmallows.

Take the remaining half of the cookie dough and carefully spread it over the marshmallow and chocolate layer. Aim to cover them as much as possible, gently pressing the dough to create the top layer.

Place the assembled pan in the preheated oven and bake for 25 minutes, or until the top is golden brown and the marshmallows are melted and gooey.

Once baked, remove the pan from the oven. Allow the cookie bars to cool in the pan for at least 15 minutes before lifting them out using the parchment paper overhang. This cooling time is crucial for the bars to set and be easier to cut.

Cut into individual bars and serve warm. These bars are delicious on their own or paired with a glass of oat milk.


Preheat your oven to 350°F. Line an 8x8 inch baking pan with parchment paper, leaving an overhang on the sides for easy removal later.

In a large mixing bowl, combine the all-purpose flour, brown sugar, granulated sugar, baking soda, and salt. Whisk until well combined.

Add the melted unsalted butter and the large egg to the dry ingredients. Mix thoroughly with a spatula or wooden spoon until a cohesive cookie dough forms.

Fold in the chocolate chips until evenly distributed throughout the cookie dough.

Arrange the cinnamon graham crackers in a single layer to cover the entire bottom of the prepared baking pan. You may need to break some crackers to fit snugly.

Take about half of the prepared chocolate chip cookie dough and carefully spread it evenly over the graham cracker layer. It can be a bit sticky, so gently press and spread with your fingers or a small offset spatula.

Scatter the large marshmallows generously over the cookie dough layer.

Place the broken pieces of milk chocolate bars on top of the marshmallows.

Take the remaining half of the cookie dough and carefully spread it over the marshmallow and chocolate layer. Aim to cover them as much as possible, gently pressing the dough to create the top layer.

Place the assembled pan in the preheated oven and bake for 25 minutes, or until the top is golden brown and the marshmallows are melted and gooey.

Once baked, remove the pan from the oven. Allow the cookie bars to cool in the pan for at least 15 minutes before lifting them out using the parchment paper overhang. This cooling time is crucial for the bars to set and be easier to cut.

Cut into individual bars and serve warm. These bars are delicious on their own or paired with a glass of oat milk.
