Given the task definition and input, reply with output. In this task, you will be presented with the directions of a recipe separated by "," and have to fill in the "___" which is a step that is missing from the recipe.

In a medium bowl, combine pudding mix and milk. Whisk well and refrigerate for 10 minutes.,Place Oreos in a food processor and blend until they become crumbs.,Mix the crushed Oreos in with the pudding mixture and mix well.,______,When ready to serve, place "grey stuff" in a piping bag and add a dollop to the middle and then pipe a spiral around it. Top with sprinkles.
Fold in Cool Whip and chocolate pudding mix until well combined and refrigerate for one hour before serving.