In a medium bowl, mix together the graham cracker crumbs and butter until fully incorporated.
3. Step
Pour the crumbs into the prepared baking sheet and press firmly in an even layer. Transfer to the refrigerator to firm, about 1 hour.
4. Step
In the bowl of a stand mixer fitted with the whisk attachment, combine the pudding mix and heavy cream and whip until light and fluffy, about 5 minutes.
5. Step
Spread the pudding over the crust and top with the candy pieces.
6. Step
Slice into 12 bars and serve with a dollop of whipped cream.
