S'mores Lasagna

S'mores Lasagna 2 (3.9-oz.) boxes instant chocolate pudding 3 1/2 c. whole milk 1/4 c. dark or dutch process cocoa 2 (7.5-oz.) jars marshmallow crème 2 (8-oz.) blocks cream cheese 2 sleeves graham crackers, plus 1/2 c. lightly crushed for topping 4 1/2 c. mini marshmallows 2 c. dark chocolate chips 1 (16-oz.) container Cool Whip 1/4 c. hot fudge sauce 2 Hershey's bars, broken into small pieces Spray a 9"-x-13" baking dish with cooking spray. In a large bowl, whisk chocolate pudding with milk and cocoa. In another large bowl, beat marshmallow crème with cream cheese until smooth. Line bottom of prepared baking dish with a layer of graham crackers. Spread half the marshmallow mixture over graham crackers and sprinkle with 2 cups mini marshmallows. Spread half the chocolate pudding mixture over the marshmallow layer. Repeat two times with the remaining graham crackers, marshmallow mixture, 2 cups marshmallows, chocolate pudding mixture, and dark chocolate chips. Refrigerate, covered, until cold and set, at least 2 hours. Remove lasagna from refrigerator. Top with Cool Whip. Heat hot fudge sauce in the microwave so it is just pourable but not too hot. Pour hot fudge all over lasagna. Top with crushed graham crackers, Hershey's , and remaining marshmallows before slicing.