Tender Beef in 5 Minutes! Chinese Secret to Soften the Beef | EASY Beef Stir Fry

Tips for Tender and Juicy Beef Stir Fry - Choose a cut of steak such as flank steak or better. - Slice Against The Grain. Inspect the steak and look for long muscle fibers. Cut Thin Slices. - Marinate with egg and cornstarch