1. Line a baking sheet with parchment paper. Melt white-chocolate melting wafers and transfer to piping bag with a small, plain tip. Pipe 2 1/2-inch-wide snowflakes onto the parchment (for a template, go to familyfunmag.com/printables), decorate with nonpareils and sanding sugar, and let set. Gently press onto chocolate cupcakes topped with pale-blue frosting.