CHICAGO--(BUSINESS WIRE)--Plant-based consumers who love the taste of a traditional all-beef hot dog will soon be satisfied as world's largest hot dog chain Wienerschnitzel expands its recent introduction of Field Roast Plant-Based Signature Stadium Dog to its restaurant menus nationwide, the first to do so widely in the U.S. Greenleaf Foods, SPC, owner of leading plant-based brands Lightlife® ("Lightlife") and Field Roast ("Field Roast") said the national expansion follows a successful 30-un