While a sous vide machine is all you need to sous vide, a vacuum sealer goes well beyond a nice-to-have. A cast-iron pan falls in the same category if you don't already have one. Other notable accessories worth serious consideration are a sous vide container and a searing torch. Nice to haves include silicone gloves, sous vide weights or magnets, BPA free ping pong balls, a sous vide rack and trivets.