Cut the steak across the grain into strips 3 inches long and 1/4 inch thick. In a bowl, stir together the cornstarch, salt, sugar, baking soda and 2 Tbs. water. Add the beef and stir until well mixed. Let stand at room temperature for 30 minutes.
Cut the steak across the grain into strips 3 inches long and 1/4 inch thick. In a bowl, stir together the cornstarch, salt, sugar, baking soda and 2 Tbs. water. Add the beef and stir until well mixed. Let stand at room temperature for 30 minutes.