Once cupcakes have cooled, melt the chocolate in the microwave according to the package directions. Once it is melted and smooth, dip each cupcake into the chocolate, turning it as you go to make sure you’re getting all the way to the edge of the cupcake paper. While it’s still upside-down, remove some of the excess with the tines of a fork. Don’t worry if you leave a small mark in the top of the cupcake, the frosting will cover it. Set aside to let the chocolate set, about 10 minutes.