Due to its marbling and loose texture, this flat cut of meat is extra juicy and has a rich, beefy flavor. CUT: Sirloin, Bottom Sirloin, Sirloin Flap ALSO KNOWN AS: Bottom Sirloin Bavette Steak, Bottom Sirloin Butt Flap Steak, Bottom Sirloin Flap Steak, Flap Meat COOK METHOD: Grill, Skillet, Stir Fry, Broil