Slice into 20 shorter logs, about 2-inches long. Roll together the three portions of dough into a thick log. When ready to bake, remove dough from fridge. Place each portion in a ziploc bag and refrigerate the dough for at least 1 hour or overnight.
Add about 2 drops of food coloring to one portion and mix together, add about 6 drops to the second portion, and leave the last portion plain, or dye it to create 3 colors of your choice.