To prepare this delicious shake recipe, take a bowl and coarsely crush the Oreo cookies in it. You don't need to powder them, they should be crushed enough to be blended into a shake.

Now, pour milk and chocolate syrup in a blender. Also, add Oreo cookies and ice-cream in the blender. Blend well all the ingredients until combined completely.

Crush and crumble some Oreo cookies in a bowl. You can also put them in a plastic bag and pound them with a rolling pin for the purpose.

Pour the prepared milkshake into a glass. Finally, top the milkshake with gems and Oreo cookies. Serve immediately with a straw.