I bought some tuna from a local fish market. They were supplying to restaurants but now to consumers, by order, when boats arrive back.
About safe fish temps.
1. Parasites. These can be killed by freezing. My chest freezer holds around -20F. There are rules for temp/time just like for heat, and I am good with those parameters.
2. Bacteria/Pathogens. Here is the big question. How does seared ahi square with safe temp/times ? I have eaten sashimi, ceviche, etc., many a time with no worries about it. However my mom is 95 and I afraid a food borne illness could be life-threatening.
I have heard "sushi grade" ahi should be free of pathogens. How on earth would anyone know ?
Anyway, I am going to cook some ahi today.
First time I cut the chunks into 1.5" steaks, cooked all the way through. They were a bit hard as might be expected.
Second time I cut them thinner, about 3/4" and cooked them all the way through. Not too bad since they were thin.
Sure I'd like to sear the outside but . . . per above I have concerns.
All thoughts on this are welcome. I hope people will not hesitate to disagree with one another.
About safe fish temps.
1. Parasites. These can be killed by freezing. My chest freezer holds around -20F. There are rules for temp/time just like for heat, and I am good with those parameters.
2. Bacteria/Pathogens. Here is the big question. How does seared ahi square with safe temp/times ? I have eaten sashimi, ceviche, etc., many a time with no worries about it. However my mom is 95 and I afraid a food borne illness could be life-threatening.
I have heard "sushi grade" ahi should be free of pathogens. How on earth would anyone know ?
Anyway, I am going to cook some ahi today.
First time I cut the chunks into 1.5" steaks, cooked all the way through. They were a bit hard as might be expected.
Second time I cut them thinner, about 3/4" and cooked them all the way through. Not too bad since they were thin.
Sure I'd like to sear the outside but . . . per above I have concerns.
All thoughts on this are welcome. I hope people will not hesitate to disagree with one another.
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