Birch For Breakfast? Meet Maple Syrup's Long-Lost Cousins

... Foraging & Feasting: A Field Guide and Wild Food Cookbook , makes black walnut syrup in the Hudson Valley region of New York with her husband. "It's slightly astringent and bitter, so it's not a mainstream flavor," she says. By comparison, maple ...

http://www.npr.org/blogs/thesalt/2013/09/28/226856804/meet-maple-syrup-s-long-lost-cousins?ft=1&f=1001