First take 4 oreo biscuits with cream and grind them to make powder of them.

Take a Mango, wash it, peel it and cut it mixer jar. Blend them to make a smoothie. Now add milk and ice cubes and blend them again.

Now take 2-3 tbsp of oreo mixture in a glass, now pour mango smoothie over it. Crush a oreo biscuit with hand and put it over the smoothie. Serve it cold/ chilled.