Chocolate Peppermint Cookies – 4 oz unsweetened chocolate  – 4 tablespoon butter – ¾ cup sugar – ¾ cup light brown sugar  – 2 large eggs  – ½ teaspoon peppermint extract – 1 teaspoon baking powder – ½ teaspoon salt – ¼ teaspoon baking soda – ½ cup unsweetened cocoa powder  – 1 cup all-purpose flour  – 4 candy canes  For Rolling – ½ cup sugar – ½ cup confectioners sugar