Description
Soft, gooey cookie bars layered with graham cracker crumbs, melty chocolate, and mini marshmallows—everything you love about s’mores in bar form.
Ingredients
1 cup unsalted butter, softened
1 cup light brown sugar, packed
½ cup granulated sugar
2 large eggs
2 tsp vanilla extract
2¾ cups all-purpose flour
2 tsp cornstarch
1 tsp baking soda
½ tsp salt
1 cup graham cracker crumbs (about 8 full crackers)
1½ cups semi-sweet chocolate chips
2 cups mini marshmallows
Instructions
Preheat oven to 350°F (175°C). Line a 9×13-inch baking pan with parchment paper.
Cream butter, brown sugar, and granulated sugar until light and fluffy (2–3 minutes).
Beat in eggs one at a time, then add vanilla extract.
In a separate bowl, whisk together flour, cornstarch, baking soda, salt, and graham cracker crumbs.
Gradually mix dry ingredients into the wet mixture until combined. Fold in chocolate chips.
Press half the dough into the bottom of the prepared pan.
Evenly sprinkle marshmallows over the dough, then crumble remaining dough on top, covering most of the marshmallows.
Bake for 25–30 minutes until golden and marshmallows are puffed.
Cool for at least 15 minutes before lifting from the pan and slicing into 24 bars.
Notes
For classic flavor, substitute chocolate chips with milk chocolate chunks.
Add crushed pretzels or swirl in peanut butter for fun variations.
- Prep Time: 15 minutes
- Cook Time: 30 minutes
- Category: Dessert
- Method: Baked
- Cuisine: American
