What happens when you have two world-class chefs making tacos? Pure magic. Meet Mary Sue Milliken and Susan Feniger, the chefs behind Border Grill, and join us as we learn how to make their superlative grilled steak tacos. Subscribe to POPSUGAR Food!http://www.youtube.com/subscription_center?src_vid=wNSZWHtiGek&add_user=popsugartvyumVisit our website for more easy recipes and cooking tips!http://www.yumsugar.comAre we friends yet? Join us on Facebook!https://www.facebook.com/POPSUGARFoodGet the latest updates via Twitter!https://twitter.com/#!/POPSUGARFood