It's a local Asheville restaurant that has a large following, including former President Obama, who ate there three times. I'll be using fresh collards, whenever they're in season, although it's possible I may have already missed that because it seems like there were bunches out in January. And I'll do a bit more research because I have NO clue how long you should cook them and he doesn't give a length of time.https://books.google.com/books?id=glhMCAAAQBAJ&pg=PA134&lpg=PA134&dq=12+bones+collard+greens+recipe&source=bl&ots=Rzs_XCfRpo&sig=qKSYJaHVCdo1GBsM_se3Y7uvB2M&hl=en&sa=X&ei=JI5bVd_7F4mfgwTjnIHQAg&ved=0CEwQ6AEwCQ#v=onepage&q=12%20bones%20collard%20greens%20r