Adapted from Betty Crocker
1 pouch sugar cookie mix (1 lb 1.5 oz Betty Crocker)
1 cup graham cracker crumbs
1 cup butter, melted
2 cups milk chocolate chips
3-4 cups mini marshmellows
Preheat oven to 375 degrees. In a larger bowl mix sugar cookie mix with the graham cracker crumbs. Add melted butter and mix until a soft dough forms. Lightly Grease a 9 x 13 pan. Press dough in the bottom of the pan and bake for 18-20 minutes or until set.
Remove from oven and immediately sprinkle the chocolate chips on top. Let stand for 3-5 minutes or until the chocolate has melted. Spread evenly over the top.