Whisk together the milk and pudding in a large mixing bowl for one minute until smooth. It will begin to thicken as you whisk. Let sit for 5 minutes.
While the pudding rests, add the oreos into a food processor and pulse until they form a fine crumb
After the pudding has rested for 5 minutes, fold in the cool whip and ½ cup oreo crumbs.
Cover and refrigerate for 1 hour.
Portion the pudding mixture into individual cups and top with crushed Oreos, bunny Peeps, chocolate eggs, and edible grass.