Line a baking sheet with parchment paper
In a medium glass mixing bowl add the dark chocolate chips. Microwave on high for 30 second increments, stirring with a spatula in between each increment until the chocolate is melted.
Add the peppermint extract to the melted dark chocolate.
Pour the melted chocolate onto the prepared baking sheet. Using a spatula to evenly spread the chocolate. Place the tray in the refrigerator to chill for 10 minutes or until firm to the touch.
Crush two candy canes by placing them in a large ziplock bag, and using a mallet or heavy spoon to break them into pieces.
While the dark chocolate layer is chilling, melt the vegan white chocolate chips in a medium size glass mixing bowl. Microwave on high in 30 second increments until the chocolate is melted, stirring with a spatula between each increment.
Reserve 1 tablespoon of the crushed candy canes. Pour the rest into the melted white chocolate.
Remove the dark chocolate layer from the fridge. Make sure it is firm and solid. Pour the melted white chocolate over the top of the dark chocolate. Smooth over in an even layer with the spatula.
Add the remaining 1 tablespoon of crushed candy cane to the top of the white chocolate layer. Chill for an additional 10 minutes.
Once the layers are solid and firm, break apart the large chocolate bar into small pieces using your hands.