To make Christmas bark, you will need the following ingredients: 12 ounces of semi-sweet chocolate chips, 12 ounces of white chocolate chips, 1 teaspoon of peppermint extract, 1/2 cup of crushed candy canes, and 1/2 cup of chopped dried cranberries. To begin, line a baking sheet with parchment paper and set it aside. Then, melt the semi-sweet chocolate chips in a double boiler or a microwave-safe bowl. Once the chocolate is melted, stir in the peppermint extract. Next, pour the melted chocolate onto the parchment paper and spread it out into an