Make the pudding bars: Line an 8-inch square baking dish with parchment paper.
2. Step
In a medium bowl, mix together the cookie crumbs and melted butter. Press into an even layer in the prepared baking dish. Chill in the refrigerator while you make the pudding.
3. Step
In a medium bowl, whisk together the pudding mix and milk until thick. Fold in the whipped cream. Spread the pudding over the cookie crust. Chill in the refrigerator while you make the ganache, if using.
4. Step
In a small bowl or heat-proof liquid measuring cup, microwave the cream for 45 seconds. Do not let it boil over.
5. Step
Pour the hot cream over the chocolate chips in a medium bowl and whisk until glossy.
6. Step
Pour the ganache over the pudding mixture and spread evenly. Decorate with sprinkles, if desired.
