Meanwhile, cut out paper templates (template can be found under the Tips below). Tint 3/4 cup frosting gray using black gel food color. Remove 3 tablespoons of the gray frosting to small bowl. Add additional black gel food color until dark gray to black. Place in small resealable plastic bag; set aside. Cover remaining gray frosting; set aside. Place 1 tablespoon white frosting in another small resealable plastic bag; set aside.