Crush or powder the Oreo biscuits.

Transfer the powdered biscuits and melted butter into a bowl and mix well.

Convert it into a pudding tray and press it as shown in the picture

Add some crushed oreo biscuits into vanilla ice cream and mix well.

Spread it on top of the Oreo and butter mixture.

Now spread finely powdered oreo on the top of it. Keep it in the freezer for 1 hour.

Now your desired delicious oreo dessert is ready.