Support WBURFrom Weed To Whimsy: Chefs Conquer Wild Foods With Butter And OilEliza BarclayMay 08, 2012 ShareIn another era, this plate of Spanish mackerel topped with wild tamarack, basswood leaves, garlic mustard, fiddlehead ferns, and knotweed might seem cheap. Not anymore. (Courtesy of Leif Hedendal)