Ingredients
Equipment
Method
Step-by-Step Instructions
- Preheat your oven to 350°F (175°C) and spray a 9x13 inch baking pan with cooking spray.
- Combine crushed graham crackers, melted butter, and sugar in a bowl until resembling wet sand and press into the pan.
- Whisk flour, baking powder, and salt in one bowl; in another, cream butter and sugar until fluffy, then add egg and vanilla, mixing until smooth.
- Fold the flour mixture into the creamed mixture until just combined; spread the cookie layer over the crust.
- Sprinkle chocolate chips and mini marshmallows over cookie layer; drizzle with sweetened condensed milk.
- Bake for 22-27 minutes until edges are golden brown and center is slightly soft.
- Cool in the pan for at least 30 minutes, slice into squares, and enjoy!
Nutrition
Notes
For enhanced stability, pre-bake the crust for 5 minutes before adding the cookie layer. Allow cooling time for best texture.