Line an 8" square pan with parchment - set aside

Crush 16 Oreos in food processor to coarse crumbs

Add softened butter & pulse to combine

Transfer to prepared pan & press into a flat, even layer

In a large bowl combine milk, pudding mix & confectioners sugar - whisk approx 2 minutes to combine

Let sit approx another 2 minutes to allow it to firm slightly

Fold in thawed whip topping

Spread into an even layer over your Oreo crust

Crumble remaining Oreos into 4-5 pieces each & sprinkle on top of your pudding mix

Cover & freeze several hours to set

Let sit on counter 5 minutes to soften slightly before cutting & serving

Top with additional whip topping & chocolate sprinkles when serving if desired