Preheat oven to 350 degrees.
Prepare cookie dough according to bag instructions.
Spread cookie dough in a 8 by 8 square pan, and bake for 7 minutes.
Layer graham crackers on top on the baked cookie. Then, sprinkle 1/2 cup of chocolate chips. Lastly, layer the marshmallows on top on ten chocolate chips.
Bake for 3 more minutes or until marshmallows are golden brown.
Melt the rest of chocolate chips and drizzle over the baked mixture. Rest for 5 minutes and cut into 9 squares.