My local grocery store, Acme, stocks Certified Angus Beef flat iron steaks in cryovac ... go with a 1 to 4 hour max cooking time in the sous vide. The cubes you see in the picture are Spanish ...

Rather, the fast casual Mexican food chain cooks all of its beef sous vide. The only time the grill comes in? When it's time to finish the steak. Sous vide, a French term meaning "under vacuum ...