Place peppermints in a heavy duty plastic bag such as a freezer bag.

Using a clean hammer, crush peppermints, leaving some large pieces.

Line a large baking sheet with parchment paper.

Melt chocolate according to package directions.

Stir in 2/3 of crushed peppermints.

Spread out evenly on parchment paper.

Sprinkle remaining peppermint pieces over top and let set until hard.

Cut to desired size with a sharp knife.

Store in an airtight container.