Preheat the oven to 350 degrees F.
Make the brownie batter accoding to package instructions.
Whisk together the flour, baking soda and salt; set aside.
In a medium bowl, cream together melted butter, brown sugar and white sugar until well blended. Beat the vanilla, and eggs until light and creamy. Mix dry ingredients until stir just until blended. Stir in the chocolate chips.
In a buttered 13x9 baking dish add prepared brownie mix. Arrange graham crackers over the brownie batter. Add the marshmallows and chocolate chips.
Top with the cookie dough, you want to try to flatten it out to cover the marshmallows. Bake for 30-35 minutes or until a toothpick comes out clean. If the top starts to brown cover with foil. *Let it cool completely before you cut into bars.