Colored sugar crystals, for decoration. Frosting: 1/2 cup butter, softened. 4 1/2 cups confectioners' sugar. 1 1/2 teaspoons vanilla extract. 5 to 6 tablespoons milk.

When you open a pack, you will discover either dark side or light side cookies with red or blue creme, respectively, that’s infused with “kyber” sugar crystals inspired by the crystals found ...