I've been experimenting with my new Sous Vide unit. I've done chicken thighs, which turned out very good. I did a couple of rib eyes they also turned out good. Doing the steaks is what is prompting the question. First the problem, I like my steaks med-rare, SWMBO likes hers med well. With only one Sous Vide unit my solution was to cook her steak to temp which took about 2 hours, leaving it in the bath, I then changed to temp on the unit and cooled down the bath with ice cubes, added my steak and cooked to temp for about another 2 hours. I removed both and they were very good. Which leads me, finally to the question. Did I commit any crimes by doing it this way? Are there any dangers that I'm not aware of, from a food perspective. Also, will doing this in any way harm my circulation unit?
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0 • Off Topic Disagree Agree LikeIn terms of food safety, the hazards should be minimal. My understanding is that pathogen death rates equal growth rates at 126F. I would guess you are setting your bath at about 135F for med. rare. The death rate at that temp is pretty fast. SV is complicated, but from what I know, if the steak was in the bath for about 20 minutes to reach an internal of 135, the outside should have been clean.
Not to alarm anyone, but i came across a chefs' discussion thread that indicated it was assumed cooked foods were contaminated while being plated and served. The chefs chatting about this considered that by the time to foods were eaten, any pathogen growth would be minimal.
This sort of question has come up a few times before. There is a less than perfect solution for this situation. Cook both steaks to med. rare in the SV, and give one 30 second or so more sear. The heat carry over should raise the internal to med., but there will be a small grey area near the surface where the longer cooked meat overheated.
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