Mongolian beef is top 5 in my rotation at home. Always a hit! The key to betting the beef tender is slicing against the grain and velveting the meat. Follow me for more educational and easy to make recipes. Mongolian Beef Recipe: 2lbs flank steak thinly sliced against grain 2tsp soy sauce 1Tbs shaoxing 1Tbs oil 1 Tbs water 1tsp baking soda 1Tbs cornstarch Marinate one hour •Coat the beef in cornstarch shake off excess Sear beef on both sides on high heat until crispy about 1-2 minutes per side (