Unlike most flanks, ours are not “chewy”. Wagyu Flanks are tender and densely marbled. The preferred cut for “London broil,” flank is an oval, boneless steak which has excellent flavor and versatility. Flanks can be used for stir-fry and sandwiches, as well as for a main course. Typically weighing around 2 lbs., a good size flank can feed up to 4.