Using a double boiler or a pan of water with a bowl on top, heat the chocolate to melt it.
Crush 20-30 mini candy canes (in batches as you need the crumbs)
Stick a mini candy cane in a marshmallow
Using tongs and holding by the candy cane, dip the marshmallow in the melted chocolate
Let it cool a few seconds
Dip the marshmallow in the candy care crumbs
Put on wax paper to cool