Questions tagged [vacuum]

57 questions
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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 temperature for a day.
fhungolfer
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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.
AttilaNYC
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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 faucet, patted it dry with paper towel and covered…
Greem666
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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 were to get a vacuum sealer, would that preserve it…
tjcinnamon
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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 point the heat transfer is dramatically reduced by…
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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 "compressing" these fruits might intensify the flavor…
Derek Hunziker
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Sous Vide for infinite shelf life

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 hands. If I then place the vacuum sealed potato…
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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.stack.imgur.com/BXPD2.jpg
dman
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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 but he couldn't see a difference between the…
TornaxO7
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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?

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 Celsius (68℉). They have been put in a working fridge…
Joep
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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 took it out of the freezer and placed it in fridge…
Greem666
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