01 -
In a large mixing bowl, beat heavy whipping cream to soft peaks using an electric mixer. Add confectioners’ sugar and dry white cake mix, and continue beating until stiff peaks form. Gently fold in the rainbow sprinkles until evenly distributed. Set aside.
02 -
In a separate bowl, beat softened cream cheese with granulated sugar and vanilla extract until smooth and creamy. Fold the prepared whipped cream mixture into the cream cheese mixture, blending thoroughly.
03 -
Lightly grease a 9-inch springform pan. Spread a thin layer of cream mixture over the base. Dip Oreos briefly in milk, then arrange a single layer of cookies over the cream. Top with one-third of the remaining cream mixture. Repeat layering cookies dipped in milk and cream mixture twice more, ending with a layer of cream on top.
04 -
Cover the pan and refrigerate for a minimum of 4 to 6 hours, or ideally overnight, to allow the layers to set and flavors to meld.
05 -
Before serving, decorate with additional whipped cream and extra rainbow sprinkles as desired. Serve chilled for best texture.