Instructions

• Place the 22 birthday cake Oreo cookies in a food processor and process until they form fine crumbs.
• In a medium bowl, combine the cookie crumbs with the 4 tablespoons melted butter and stir until evenly moistened. Press the mixture firmly and evenly into the bottom of an 11×7-inch pan or a 9-inch square pan. Set aside.
• In a large bowl, whisk together the 1 (3.4-ounce) box vanilla instant pudding mix and the 1/3 cup dry Funfetti cake mix. Whisk in the 1 cup milk for about 1 minute, or until the mixture begins to thicken.
• Fold half of the 1 (16-ounce) Cool Whip (reserve the remaining half for the topping) and the 1/3 cup sprinkles into the pudding mixture until evenly combined.
• Pour or spread the pudding mixture over the prepared crust in the pan, smoothing the top. Cover the pan with plastic wrap and refrigerate for at least 4 to 6 hours or overnight, until set.
• Just before serving, spread the remaining Cool Whip over the chilled dessert and sprinkle with additional sprinkles as desired. Slice and serve.