Flank steak (FS) Description: A long and flat cut, located in the ventral region, at the end closest to the leg, free of connective tissue and the fat of the skirt and the membrane that covers it. Nomenclature: Nicaragua: Flank steak El Salvador: Aleta/Tortilla Panamá: Abanico Guatemala: Cecina Costa Rica: Alipego Uses: Griddle – Unwashed – Griddle