Place chocolate chips in a microwave safe bowl, melt in the microwave in 30 second intervals, stirring after each until fully melted and smooth.
Pour melted chocolate into a baking dish. Refrigerate for at least 20 minutes. Place white chocolate chips in a microwave safe bowl and melt in the microwave in 30 second intervals, stirring after each until fully melted and smooth.
Pour melted white chocolate over the chocolate layer and sprinkle with the crushed candy canes. Refrigerate for at least 30 minutes. Cut into pieces.