Add chocolate cookies in blender and grind into crumbs.

Add chocolate crumbs in a deep bowl and keep in fridge fo later use.

Fill a silicone mold of any shape to the top with vanilla ice cream.

Poke a hole in the center of the vanila ice cream with a handle of a wooden spoon and put a cherry into the hole

Cover the hole with a bit of ice cream and put the mould in freezer for 20 minutes.

Demould icecream and put into the bowl of cookies crumbs.

Pressing gently to completely coat the ice cream.

Remove the Tartufos from the freezer, slice and serve.

Notes
You need to be quick while working with ice-cream as it melts quickly.
Any shape mould is used to give a shape to ice-cream.
2-3 types of ice-cream can he used for preparing ice -cream layer's.
On top melted chocolate can be used for coating.