"The first Top Secret Recipes book features a version of this clone recipe for America's most beloved candy creation. That recipe now sits in just about every collection of "copycat" recipes passed around the Web. But since 1993, I've learned a few things about the delicate science of Reese's Peanut Butter Cup cloning. You know, stuff like: '"Never clone peanut butter cups while crossing a busy intersection" and "don't clone peanut butter cups while under a tall tree in the rain." These are the sort of handy tips that you don't find anywhere else on the Internet. These are the things that come with experience, perseverance and a long, complicated thought process...."