01 -
Line a 9-inch square pan with parchment paper, leaving overhang on two sides for easy lifting after chilling.
02 -
In a large bowl, beat the softened cream cheese, powdered sugar, vanilla, almond extract, and salt until smooth and fluffy, about 2 minutes.
03 -
In a separate bowl, whisk the instant pudding mix with 1 1/2 cups cold milk until thickened, about 2 minutes. Beat it into the cream cheese mixture until smooth.
04 -
Fold in about 9 oz of the whipped topping until light and even. Gently fold in the rainbow jimmies with just a few strokes.
05 -
Quickly dip Oreos in the 1/2 cup milk, then arrange 12 cookies in the pan. Spread one-third of the filling over the cookies. Repeat twice more with dipped cookies and filling.
06 -
Spread the remaining whipped topping over the cake. Cover and refrigerate for at least 8 hours, preferably overnight, until the cookies are soft and the filling is set.
07 -
Crush the reserved Oreos and scatter them over the chilled cake with extra sprinkles. Slice cold and serve straight from the refrigerator.