By all means, support your local Girl Scout troops and buy a box or two. But if you lack for those distinct cookie varieties due to A) Over-eager significant others B) Coworkers who never took your order, or C) Just plain finishing them in one week, Instructables superstar Scoochmaroo has DIY recipes for Samoas, Tagalongs, and Trefoils. The Trefoils and Samoas use the same shortbread base, too, so you can save some time by making both. [Instructables]