Shrimps/prawns sous vide

Hi there,

I'm new to ChefSteps forum and always wanted to try sous vide.

I have a catering company in France and recently got myself a toy to play - Polyscience professional.

It was a big expense but as you know there is a lot of advantages of having one.

I want to put on the menu as a pre-starter,prawns cooked sous vide with vanilla butter and served with red lentil puree and basil pesto.

I would like them to be cooked at 58, according to sous-vide toolbox app, (pasteurise to core) time is 1hrs 16 min.

I understand that you should pasteurise you food when you using cook-chill-reheat method.

If I want my prawns to be served cold can I just cook them ( time to temp ) which is only 13 min.

Would that be ok from food safety point of view.

Thanks

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Chris_Young_80640

Yes, you can serve these without being pasteurized. There is, of course, a small risk of foodborne illness from eating an undercooked food, but the risk is no worse than, for example, eating sushi.

So go ahead an cook them for only 13 minutes.

Manfred_18311

@Lucasbodd, First and foremost in cooking with the SV method is the quality of the product you want to work with.

Top quality takes 90% of worries on food poison off you. With seafood no matter

if SV cooked or not, make sure the cooling chain at -18° C wasn’t interrupted

at any time if frozen. Quality not only

includes the texture and fabric of the product or the way it was raised /farmed

but to a far extends the correct handling from the slaughter place to your

kitchen by keeping up a sufficient cooling chain management.

jason.r.whitworth

Chris is it correct to think if you cooked them for 1hrs 16 min they would come out very mushy?

Chris_Young_80640

It's quite likely they would. Marine collagen is much easier to hydrolyze into gelatin at lower temperatures. If you degrade enough of the collagen that gives muscle fibers structure, you get this cotton-like, mushy texture. This can also happen if they are improperly handled after being caught. Natural enzymes in the animal also start to 'digest' the tissue.

lucasbodd

@Chris Young @Manfred - thank you guys for prompt response. I will try it and report the results.