Questions about food safety and technique for cooking sous vide.

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Presto multi cooker sous vide- clarification?

I read your post about using the Presto multi cooker as a secondary sous vide machine in this post: http://lifehacker.com/5984614/how-to-sous-vide-without-a-sous-vide-machine I'm interested in doing ...
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1answer
104 views

Changing Sous Vide water

How often do you need to change the water in your Sous Vide machine? Given food never touches the water I don't think I need to change it every time, but it does seem like I should change it once in ...
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1answer
74 views

Can I use a yoghurt marinade in sous-vide cooking?

I want to cook a Indian-inspired chicken dish. The recipe calls for yoghurt in a marinade for the chicken. I am fine with the marinade, but I also want to cook the chicken sous-vide. I now wonder ...
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1answer
319 views

What parasites are problematic in sous vide?

Obviously, one should use only clean ingredients. However, especially with game and river/lake fish that's rather difficult. What are parasites that should be taken into account in sous vide ...
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343 views

Dry sous vide steak

How do I stop my sous vide steak drying out? I have tried various temperatures and times from 55 to 60 degrees and from 40 minutes to 4 hours. The colour and texture changes but the meat is always too ...
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1answer
531 views

Sous vide timing for prime rIb

I'm looking to sous vide a boneless, 6 lb rib roast, for NYE. If I set the temp for 136f*, how long should I leave this to cook? My thought was 6 hours, but that's just based on experience and not ...
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2answers
687 views

What sous vide parameters for entrecote?

I want to cook an entrecote using my sous vide waterbath. The piece is approx. 5cm thick and currently frozen. I would like it to come out as medium-rare. It has a quite a bit of fat on it. At what ...
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1answer
249 views

Will texture of fish cooked sous vide change, when cooking times increase?

I am experimenting with sous vide these days. I have successfully cooked salmon sous vide (60C to pasteurization according to Baldwin). One thing with sous vide that people brag about is the ...
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1answer
215 views

How long does breakdown of collagen etc. take for sirloin cooked sous vide?

I want to cook a sirloin steak cut (2cm thick?) sous vide. Based on my preference for medium-rare and some prior experiences with beef at 60 C, I will put it at 55 C. How long would it need to break ...
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2answers
504 views

How can I improve sealing of bags for sous vide?

I am occasionally using my vacuum machine to pack bags for sous vide cooking. The model is the FuturaVac clamp-style table model (see e.g. ...
3
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1answer
197 views

Sous-vide - What does circulation accomplish?

Sous-vide has been on my radar for a while, but there is no way I am going to spend $500 for a new kitchen toy, nor have I been terribly excited about the do-it-yourself projects that I've seen over ...
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1answer
190 views

Chicken breast sous vide: Time in fridge matters?

I have kept a chicken breast, packed in plastic (possibly in a near-vacuum environment) in my fridge for more than a week. The best-before-date is tomorrow. I am considering cooking this breast sous ...
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1answer
155 views

Sous vide vegetables packed in advance?

Is there a reason to not dice vacuum pack vegetables and keep them in the fridge for å few days before cooking them sous vide?
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1answer
510 views

At what temperature will the fats on meat render?

I am expectantly awaiting the arrival of a sous vide circulator. I saw a clip where someone cooked a duck breast sous vide, finishing it off in a frying pan to crisp the skin. That simply makes no ...
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2answers
161 views

How to scale up modernist Potato Puree?

The recipe for Potato Puree in "Modernist Cooking at Home" calls for precooking the potatoes in water at 65 degrees Celsius for 35 minutes. The bag should hold 500 g potatoes and 1 liter water. Since ...
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3answers
655 views

Sous Vide Roast: What should I do with the excess liquid in the bag?

I am new to sous vide. I am currently cooking a roast at 140 F. I can see there is a bit of liquid, and probably blood around the meat in the bag. It has been going for 8 hours now at or above 140, so ...
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1answer
1k views

Cooking Temperature for Crocodile meat?

Does anybody have any experience cooking crocodile meat sous-vide? We found some crocodile meat at our local butcher, and bought some on a whim. Judging by appearances, it looked quite a lot like ...
2
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1answer
301 views

How would you make a roux efficiently?

Making a big batch of roux is a hassle, so I'm investigating how to make my life a bit easier. According to 'Ideas in food', you can make roux in a jar in a pressure cooker. Nice, but the quantity is ...
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1answer
162 views

How does sous vide compare to other cooking methods?

I have a stomach ailment which makes me intolerant to roasted meat and grilled meat. Even though with grilled food most of the fat drips off, you will notice that smaller amounts of fat still fry on ...
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1answer
1k views

Sous Vide leg of lamb WITH bone?

I'm a new owner of a Sous Vide circulator, and I'd really like to make a leg of lamb for Easter. Making leg of lamb the "old" way (in the oven) I always get a better result if the leg is with the bone ...
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2answers
236 views

Brining…at high temp?

I read that brining makes meat moister by causing protein cells to absorb water from the brine via osmosis (Wikipedia) So I thought, hmm, why not kill 2 birds with 1 stone: brine + slow-cook ...
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3answers
525 views

Marinade then cook or cook then marinade?

For pork, does it matter if you marinade first, then sear + braise vs sear + braise first then marinade? More details: I'm trying to cook pork chashu using pork butt. The marinade is mostly soy ...
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4answers
9k views

Is it possible to do sous vide cooking in a crock pot?

I'd never heard of sous vide before coming to this site, but all the posts about it here have made me want to try it. I've seen the beer cooler method, which I also want to try, but, for a smaller ...
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1answer
190 views

Sousvide seafood for sushi

I'm curious whether the store-labeled "sushi grade" fish, like some salmon and scallops, can be made by cooking the fish sousvide and chilling it in the refrigerator afterwards.
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1answer
156 views

Sous Vide without vacuum. What liquid should be used?

I'm new to sous-vide and I am trying to figure out how to do it without vacuum. I've seen how other people have done it with oil to displace the air in the bag. But is this the best liquid to use? ...
2
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1answer
739 views

Should a sous-vide-cooked meat be frozen then reheated?

New to sous-vide, I was wondering, once you are done cooking, will it degrade the quality of the meat if I freeze it then reheat it back? The method of reheating probably matters, but let's say I am ...
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3answers
607 views

Using sous-vide oven to make stock or soup (no bags)

I have a sous-vide supreme water oven. I was wondering if I could use it to slow cook large amounts of soup or to make beef stock by slow cooking. The idea is to have the soup or stock directly into ...
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2answers
2k views

Sous vide over cooking toughens meat?

I'm new to sous vide cooking. The equipment I'm using is a Ronson slow cooker connected to Sous Vide Magic PID controller, no bubbler. No vacuum sealer. I calibrated the SVM temperature reading to ...
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5answers
1k views

How should I prepare an excellent sauce from sous vide juices?

Reading the other posts on this, I realize I should have coagulated the myoglobin and removed it before attempting to make a sauce with what's left over. Anyone have a good trick to do that simply? ...
4
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2answers
731 views

Is there additional risk in cooking meat sous-vide from frozen?

I am aware of the additional cooking time required when cooking frozen meat sous-vide. Beyond that, is there additional risk in cooking meat sous-vide from frozen?
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2answers
799 views

Is the rapid ice bath chill post-sous vide actually necessary when putting the meat/fish in the freezer?

In the past, I would frequently cook (in the oven) 6+ lbs (3+ kg) of salmon fillets (usually took ~25 min) to an internal temp of 145-150 F (62.5-65 C), take them out, let them set on the counter for ...
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3answers
2k views

Can I sous-vide meat (at a temperature between 40ºF and 140ºF) for more than four hours?

According to the USDA cooking chicken at 145ºF (63ºC) for 13 minutes (i.e. maintaining an internal temperature of 145ºF for that long) will bring about a "7 log10 relative reduction of salmonella". A ...
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3answers
2k views

Can I use my oven for sous-vide

I have an electric oven which has a temperature setting, starting at 50c and goes up in 5 degree increments; [50,55,60,65,...]. It also has a fan to circulate air. (pictured below) Will this be ...
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2answers
626 views

Is Sous Vide Oil Infusion with fresh herbs or garlic a practical technique to avoid botulism risk?

I've been experimenting with flavoring olive oil using dried herbs. So far, I've only used dried herbs in my home infusions because I have read a number of articles which claim there is a botulism ...
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3answers
1k views

Is there some trick to vacuum sealing broccoli?

In Sous Vide for the Home Cook Douglas Baldwin gives a recipe for broccoli. In brief, blanch the broccoli, cool in an ice bath, then vacuum seal as a single layer in a bag with salt, pepper, and ...
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1answer
287 views

How does double-bagging sous vide food affect cook time?

Does double vacuum bagging food for sous vide cooking measurably increase the cook times? Or is the extra bag not thick enough to make an impact?
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2answers
1k views

why use a pressure cooker for collagen to gelatin conversion?

I was watching S13E16 of Good Eats and to cook his chicken for "chicken and dumplings", he places an old hen (instead of a rooster) in the pressure cooker at the maximum temperature & pressure. ...
8
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2answers
1k views

Sous-vide without a pump using convection?

I'm currently planning on creating a sous-vide setup using an induction cooktop and a PID controller. I will be an Arduino micro-controller setup similar to this openschemes.com-manual control of ...
4
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3answers
562 views

What is a good way for a beginner to start sous vide cooking?

I am just about to start experimenting with Sous Vide cooking. My plan is to start out with some very simple equipment (A PID controller and a kettle) and slowly build up until I have made my custom ...
10
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2answers
8k views

Is a vacuum strictly necessary for sous-vide cooking?

I'd always assumed that things cooked sous-vide (which translates as 'under vacuum'!) needed to be under a good vacuum for the most efficient heat transfer into the meat, since air is less convective ...
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3answers
4k views

My sous vide chicken is tough and stringy - did I cook it too long, or too little?

So far I've attempted it twice. The first time I cooked legs and thighs at 60C for an hour and a half; the second time I cooked two breasts at 60C for about 45 minutes. Both times the chicken came out ...
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1answer
376 views

Where to rent vacuum chamber?

I am testing out ideas for edible fruit cocktails that I would like to serve as an opener at a dinner party. So far, my tests have been successful, but it occurred to me that vacuum sealing, or ...
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2answers
2k views

Vacuum sealing with a submerged ziplock vs home machine vs professional machine

Typically I'll seal food for storage or sous-vide in a Ziplock bag, submerging it in water whilst closing the final inch to remove air. How close to a machine seal is this, and is it worth worrying ...
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3answers
638 views

Can putting items with high heat capacity smooth out heat changes in Sous Vide?

So was recently thinking about the beer cooler sous vide method and had a thought: While heating the water to put in the beer cooler, if you were to place an object with a high heat capacity (e.g. a ...
3
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1answer
547 views

Reheating boiled eggs for scotch eggs

I recently boiled a duck egg for 7 mins and then immediately placed into iced water, where I let it sit for 10 mins. I then proceeded to place the cold egg into a water bath set at a temperature of ...
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3answers
871 views

Blow torching meat after sous vide - add fat or not?

After I pull the meat out of the sous vide and then use a blow torch to sear it, should I use a fat on it or not? Will that get a better crust on it?
2
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1answer
435 views

Should I sear sous-vide chicken breasts?

I'm planning on cooking some boneless skinless chicken breasts tonight sous-vide. Should I finish them with a quick pan sear like I do with my steaks or should I just season and slice?
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2answers
3k views

What temperature should I use for sous-vide chicken breasts?

I'm finally going to advance my sous vide repertoire from just steaks to poultry. I know the safety issues and am familiar with the salmonella death rate chart. What I'm wondering about is the ...
3
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1answer
588 views

How do I control the temperature of water for an extended period of time?

When making the "perfect" mash, Heston Blumenthal recommends cooking waxy spuds in hot water for half an hour at the temperature of 72 degrees Celsius, exactly. At 75 degrees stuff starts breaking ...
3
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1answer
730 views

What type of sauce is appropriate for a dry-aged prime steak?

Yesterday I purchased some dry aged prime strip steaks from my beloved Wegmans. This will be the first time I will have the opportunity to eat (as far as I know) and cook prime beef. With that in ...