Questions tagged [vacuum]
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60 questions
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Can I vacuum seal my homemade bone broth in a Ball jar?
It appears you can purchase bone broth in cardboard containers that have a shelf-stable life for three or more months. If this is because of the absence of air in the container, for those broths that ...
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How do you make the vacuum seal on a glass jar?
The main problem when preserving jars is how you vacuum your jars.
I do not want to use a special jar for preserving aliments, nor special caps for the jar. I only have the normal ones, the ones you ...
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How can I keep large packs of ham fresh longer?
On the back of the packs of sliced ham I buy it usually says “once opened eat within x days”. I often find that I have ham left over that needs to be eaten, that I’d prefer to save for another day.
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How tight should a vacuum sealed bag be? [duplicate]
From what I remember from new, my vacuum sealer doesn't seem to suck air out of the bag as well as it used to. While the bag does "Crinkle up", there seems to be more air inside the bag than ...
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Sous Vide for infinite shelf life [duplicate]
Sweet potatoes already last a relatively long time. If I were to sous vide a sweet potato until everything inside of it is dead, let's say at 215°F for 24 hours, I should have a sterile potato on my ...
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Is it ok to have blood in crease of vacuum seal? For steak and freezer
For vacuum sealing steaks for the freezer, is it ok to have blood/liquid in the crease?
https://i.sstatic.net/BXPD2.jpg
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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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