Update: Though Wendy’s has discontinued the black bean burger, Ontario locations are now trialing the plant-based “Plantiful Burger”  Plants are finding their way onto menus everywhere, and fast food joints are no exception, with Panera, Taco Bell and Subway turning their attention to veg-friendly options. Now, Wendy’s is on board. Last year, Wendy’s launched a black bean burger menu option at two locations, …