Ingre.nts. lbs flank steak thinly sliced. cup teaspoons cornstarch divided use. tablespoons vegetable oil. teaspoons minced garlic. teaspoon minced ginger. teaspoon toasted sesame oil. cup low sodium soy sauce. cup water.. Slice steak, across the grain, into inch thick strips see picture tutorial HERE , and place in a large plastic bag. Add mirin and soy sauce and massage into the meat. Let meat marinate for about minutes or so. In a medium mixing bowl, whisk together sauce ingre.nts and set aside.. You ll be eating these Asian beef recipes on repeat..Szechuan Beef. Sliced sirloin is marinated in soy sauce spiced with red pepper and garlic, then stir fried with broccoli, onion, water chestnuts and peanuts..Stir fried beef with snow peas in a light gingery sauce..Beef top sirloin steak is sliced across the grain for tenderness, coated in a sweet and savory soy sauce marinade, then quickly stir fried with fresh green pepper, .