Crush candy canes. Use rolling pin to crush candy canes into small pieces.
Cover doughnuts with candy. Place doughnuts on cooling grid over cookie sheet. Use melted white Candy Melts candy following package directions. Use melted white candy in cut decorating bag to cover cookies.
Make stripes. Immediately after covering doughnuts, sprinkle sections with crushed candy canes to form stripes. Chill until firm.