Questions tagged [vacuum]

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9 votes
1 answer
260 views

Why does vacuum-sealed fish caution against thawing in the package, but vacuum-sealed meat doesn't?

Whenever I buy frozen vacuum-sealed fish, the package clearly instructs me not to thaw the fish without removing it from the vacuum seal. This makes sense in a hazy intuitive way if I think about ...
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  • 191
1 vote
2 answers
100 views

Reheating and Storing Chicken/Potato Soup For 10 Hours

I would like to reheat chicken/potato soup (heavy whipped cream, cooked chicken, flour, potato, cooked bacon, some salt, and vegetables to name a few ingredients) i.e. thick soup and store it in a ...
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  • 11
11 votes
8 answers
3k views

Technique for filling vacuum seal bags without getting any food on the rim

I really like my new Vacuum sealer. However, I am having a lot of trouble keeping the top part of the bag totally dry & clean while filling it. It is my assumption that a good seal requires a ...
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0 votes
1 answer
142 views

Meat loses weight after some time

Context My physic teacher told a story where he bought some beef, put them into a vacuum (separated), measured their weight and put them into the freezer. Some days later he wanted to cook one of them ...
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  • 103
6 votes
1 answer
206 views

Thawing vacuum-packed fish

I purchased vacuum-packed Flounder and the individual wrapped filets bear the following statement: Must remove from packaging before thawing. Do not refreeze. Now, "do not refreeze" is ...
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  • 163
3 votes
1 answer
80 views

Can exposure to carbon dioxide spoil a lactic fermentation project?

I’m using lactic fermentation to make a batch of sauerkraut, fermented berries, etc. Rather than going the glass jar route I’ve placed everything in a vacuum sealed bag. This is a technique which Noma ...
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  • 396
0 votes
0 answers
113 views

Vacuum packed salmon fillet (non-smoked) sat in fridge that turned off for undetermined amount of time. Can it still be eaten? [duplicate]

As the title says: the vacuum packed salmon fillets have been sitting in a turned off fridge for quite some hours. The packs only felt a little cooler than the room temperature of +/- 20 degrees ...
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  • 9
16 votes
2 answers
2k views

Repackaging shelf-stable products

For products that start out shelf stable but are labeled "refrigerate after opening," I'm wondering if it's possible to safely return them to their shelf-stable status to save refrigerator space. A ...
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  • 4,930
2 votes
1 answer
3k views

Is it safe to freeze raw garlic in vacuum-sealed (FoodSaver) bags?

I'm generally aware of the botulism-related dangers of storing raw garlic in anaerobic environments at room temperature (or even in the fridge), but couldn't find much info on whether it was safe if ...
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  • 23
2 votes
2 answers
2k views

Can commercially sold, vacuum-packed beetroot (cooked) be stored under room temperature?

I don't have any experience at all with beetroots. But a couple days ago, I received some vacuum packed cooked beetroots by post (without special temperature control) as part of a vegetable basket. ...
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  • 151
5 votes
3 answers
198 views

For slow cooker meal prep should I freeze the vegetables separately from the meat and sauce?

I have a new food saver vacuum sealer. I want to seal up all the ingredients for a slow cooker meal. Should I add the vegetables separately from the meat and sauce, or all in together? I was ...
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  • 51
4 votes
1 answer
242 views

How does vacuum packing affect safe meat storage time?

I recently bought some vacuum-packed pork back ribs, with a sell-by date more than two weeks after I bought it. I don't think I've ever seen a date that far out on meats and I'm not sure how to ...
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  • 155
2 votes
2 answers
4k views

Are there disadvantages to storing bread in a vacuum box?

I love fresh bread, and when I buy it I store it at home in a plastic bag. After 2-3 days it has probably lost about 60% of its overall quality. I've been using some vacuum storage bags and found that ...
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  • 1,708
0 votes
1 answer
221 views

Sous Vide Spoilage

Can food cooked by the sous vide method spoil once vacuum packed? I sous vide spaghetti squash. I, then, vacuum pack the squash. Finally, I forget to put it in the freezer so it sits at room ...
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3 votes
1 answer
2k views

Cleaning plastic bags used for sous vide

I am using this kind of vacuum bag for sous vide. They work perfectly but recently I have been having a problem cleaning them. I let them sit for a few days after using them without cleaning them, ...
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  • 185
2 votes
1 answer
201 views

Food Pre-Packaged in Vacuum Bags

I often purchase chicken and fish that have been vacuum packed at the factory. Is the food, never having been exposed to air, susceptible to botulism or other anaerobic organisms? Is it best to sous ...
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1 vote
1 answer
1k views

Should chicken be seasoned before vacuum sealing?

I am going to vacuum seal then freeze several pieces of chicken breast. Is there a benefit to putting anything on it before I vacuum seal? For example I normally put spices on, but not sure if doing ...
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1 vote
1 answer
5k views

Vacuum sealed frozen salmon burgers - seal broken due to thawing?

I was wondering if thawing something that is vacuum sealed can result in the seal being broken (or if it's the air expansion due to warming). I left salmon burgers on counter to thaw for half an hour ...
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  • 1,158
-1 votes
2 answers
1k views

Cooking sous vide a steak which was vac pac frozen

I bought a nice 1.5 inch New York cut steak from a butcher some time ago, and without thinking I vac packed it and froze it without spices. I feel like trying to cook it with my Anova tomorrow, so I ...
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  • 111
0 votes
1 answer
1k views

How long can uncooked brisket be refrigerated after defrosting?

I purchased a vac packed piece of brisket from Aldi a week ago. I froze it a day after buying, then thawed it in the fridge 2 days ago until it felt soft to touch. I opened the pack, washed it under ...
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  • 111
6 votes
2 answers
2k views

Vacuum sealing vs. water displacement method when doing longer sous vide cooking

Modernist Cuisine recommends that for longer sous vide cooking (times greater than 36 hours) that bags are vacuum sealed rather than just using the water displacement method to remove the air from a ...
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  • 2,590
3 votes
3 answers
4k views

How does vacuum sealing something in a mason jar help?

I use a vacuum sealer for sous vide cooking, and also have a lot of mason jars I use for juice glasses, storing leftovers, etc. I noticed a mason jar attachment for my vacuum sealer, but I'm a little ...
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4 votes
1 answer
125 views

How do I reconstitute vacuum sealed Tibetan Barley Wine?

Last month I stayed in a homestay in Sichuan Province that was owned and run by a Tibetan family. At dinner they served an amazing barley wine made from Tibetan barley that they called "qingke" barley....
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4 votes
2 answers
318 views

If a large can is divided into smaller containers, is it still shelf stable?

Everyone knows that buying in bulk usually saves money. My question involves buying and saving bulk canned veggies and items of that nature. Can you divide a bulk or industrial size can of say green ...
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3 votes
2 answers
2k views

Vacuum Seal Meats with Bones that could be sharp

I am interested in vacuum sealing things like bone in pork chops and t-bone steaks for sous vide cooking. Is there a technique to keep the bones from puncturing the bags?
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  • 183
2 votes
0 answers
142 views

What to do with cheese that has fermented after vacuum packing?

While in England two weeks ago I bought a Wensleydale cheese with cranberries that was freshly vacuum packed. Over time, the pack filled with air (without breaking the seal). Upon opening the pack, ...
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2 votes
2 answers
5k views

Shelf life of items stored in vacuum containers vs airtight non-vacuum ones?

I was planning in investing in a set of vacuum food containers, something like these with the pump to remove excess air. It took me a while to find the ones I wanted, and in the process I started ...
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0 votes
1 answer
378 views

Shipping Homemade Mozzarella

I would like to ship homemade mozzarella. I'm considering purchasing a vacuum packaging system to preserve it for the 2-3 day trip. Is this recommended? If not, are there any alternatives?
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0 votes
1 answer
351 views

Vacuum sealing jars of Simple Syrup

So I'm looking to make some simple syrups (lavender, basil, etc...). In looking around I see that making 1:1 syrups via the "hot" process it should safely last two weeks and up to a month. If I ...
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2 votes
1 answer
2k views

How to package fresh pasta and fresh pasta sauce

I want to start selling my pasta sauce and fresh pastas (gnocchi and tortellini) in refrigerated compartments of departmental stores. Does any one know how stores package their sauces and fresh pastas?...
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0 votes
2 answers
6k views

How do I avoid botulism formation when vacuum sealing and freezing raw chopped vegetables?

I want to chop onions and green peppers then freeze in a vacuum sealed bag without blanching the vegetables first. I read the article on blanching after vacuum sealing and then blanching but to your ...
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2 votes
2 answers
13k views

How Long Can I Store Seasoned, Vacuum Sealed Chicken [duplicate]

I'm trying to optimize making food for the week and one of the things I want to do is season chicken breast with salt/pepper/herbs/etc in advance and vacuum seal them individually so I can just drop ...
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3 votes
3 answers
6k views

Vacuum-packed cheese question (botulism)

Vacuum-packed cheese, stored in refrigerator for awhile (2-3 weeks), then placed in freezer. Cheddar and Provolone. Any risks, especially in regards to botulism...opinions sought. Never heard about ...
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3 votes
2 answers
1k views

Ziploc vacuumed bags expand in sous vide

I had an issue yesterday when I tried to cook some root vegetables in my sous vide supreme. I chopped them to roughly 1" lengths and placed them in a few quart Ziploc freezer bags and vacuumed them ...
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  • 599
1 vote
2 answers
11k views

How long is marinated raw chicken breast good for after it's been vacuum sealed?

I have been marinating a large batch of chicken breast in eggs and spices. I'm going to put bread crumbs on them before cooking. I'm wondering, if I were to bread them and then seal them in vacuum ...
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  • 1,625
2 votes
1 answer
645 views

blanch after vacuum seal?

Since there's problems vacuum sealing after blanching due to excess water is there a problem sealing the fresh vegetables first and then boiling the package to get the same effect as blanching?
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  • 21
3 votes
2 answers
2k views

Is it safe to vacuum seal shredded Parmesan?

I was trying to think of a way to more efficiently storing parmesan for quick access. I realized I could shred a batch and vacuum seal it in a jar to better preserve the flavor after shedding. ...
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  • 4,930
3 votes
1 answer
2k views

Vacuum sealer exclusively for canning jars?

I'm looking for a vacuum sealer just to vacuum seal canning jars. Presently I use a traditional vacuum sealer for bags that has an accessory port. It's bulky and because it's designed for bags as ...
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  • 4,930
9 votes
1 answer
2k views

Are vacuum pump effective to improve wine conservation?

Is there any evidence for (or against) those "Vacuum Wine Saver" pumps (such as "Vacu Vin") that claim to improve the conservation of opened wine bottles? By evidence, I mean blind tastings or ...
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  • 315
2 votes
1 answer
2k views

better to marinate in vacuum?

I am going to marinate some chicken for an Indian dish. I will cook it sous vide. now I wonder whether I should vacuum seal chicken with marinade, or marinate and then vacuum seal? what is preferable ...
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  • 423
3 votes
1 answer
2k views

Out of Date Vine Leaves - are they safe to eat? [duplicate]

I bought vacuum packed vine leaves quite some time ago. Stupidly didn't get round to using them so they are still in the fridge. They are well passed their sell by date of March 2011. Should I just ...
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  • 31
1 vote
1 answer
7k views

How long will vacuum-packed truffle last in the fridge?

I have a vacuum-packed truffle in the fridge since a few weeks now. The mushroom was fresh when it has been vacuum-packed. Does anyone know how long will it last? Is it still ok to eat it? It looks ...
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  • 113
1 vote
2 answers
4k views

How to properly vacuum seal and freeze food that may stick together

I had a mishap involving steak freezing together and am wondering what the best way to prevent it from happening again. I just got a vacuum sealer and have being buying large quantities of meat and ...
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  • 1,625
7 votes
1 answer
18k views

How to remove individual steaks from a lump I mistakenly froze together?

I got a vacuum sealer and stored about 7 pieces of steak in 1 bag. I put it in the freezer and just now I decided to take out a couple of steaks to thaw out so I cut open the bag but all the steaks ...
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  • 1,625
9 votes
4 answers
7k 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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  • 13.1k
-1 votes
1 answer
1k 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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3 votes
2 answers
1k views

What makes vacuum fried food retain and concentrate the food's flavor?

I recently tried some vacuum fried banana chips and pineapple chips from Trade Joe's. They were delicious. Does anyone know why this process helps the food retain and even concentrate the flavors? ...
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  • 4,144
14 votes
1 answer
24k views

Are the claims legitimate linking botulism to vacuum prepared foods?

I have read in many places 1,2,3 claims of a link between preparing foods sous vide and botulism, with claims that this is because the food is prepared in a vacuum. This struck me as illogical, so I ...
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  • 4,930
0 votes
3 answers
2k views

What is the technique for Vacuum Flask Cooking?

I read an article about Asian cooking involving a Vacuum Flask so I was looking for some techniques involved in cooking with it.
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  • 7,456
5 votes
4 answers
31k views

Vacuum-packed (or not?) bacon, safe to use?

I purchased a 3-pack of bacon a week ago, basically 3 vacuum packed (is that the right word for this?) bacon, stripped together (probably made together, seems like the plastic was just sealed between ...
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