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Questions tagged [canning]

Questions about food being preserved into glass jars, metal cans, or other air-tight containers using a variety of heat treatment steps to ensure a reasonable level of pasteurisation and/or sterilisation

Topics accepted within this tag:

  • Problems with preserving recipes, especially if the recipe can be referenced

  • Techniques for using preserving equipment

  • Selection of preserving equipment

  • Selection of preserving containers for food types - glass, metal, other

Topics not accepted within this tag:

  • Discussion on the health benefits of preserving

  • Discussion on the shelf life of preserved foods

300 questions
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Is this canning method safe to use for spaghetti sauce? (Boiling the sauce in the jars in the oven)

This technique has been used by my family for decades but I'm wondering how safe it is to kill Botulism spores. Step 1, cook the spaghetti sauce in a large pot (tomatoes, meat, fruits, vegetables, sugar, spices, etc). pH unknown. Step 2, Fill…
Faust
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How do I prevent opened canned tuna from going stale?

I want to start buying those big tuna cans to save on costs, but I know that after one day at the fridge opened tuna becomes stale. It loses its tangy flavor and gets a rubbery texture. Is there a way to prevent that?
Bar Akiva
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Is hot water bath canning really necessary?

I made a barbecue sauce that I want to send to a friend (internationally). I bought some mason jars, and was planning to just put the barbecue sauce in there, tighten the lids back on, and ship it off. Then I started seeing people say things about…
Brandon
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Can I re-process homemade applesauce canned in a boiling water canner that is too thick and pasty?

The lids sealed well, but I think the apples were not juicy enough (maybe too tart) and the color of the applesauce after canning is slightly green. It's been less than 24 hrs. Maybe I didn't heat it hot enough before canning, since it was so thick.…
Kathy
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Canning lids twisting

doing hot bath for sauerkraut. Cleaning jar rims, adding more salt water to 1 inch of top, putting new lids and rings on jars. Screwing rings on tight. Put jars in canning, filling with cold water and bring to rolling boil for 30 minutes. When…
Mimi
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1 answer

packaging an uncooked/raw hot sauce

I make a hot sauce with peppers,parsley,garlic,salt and olive oil. I have to freeze it in jars otherwise it ferments. Is there a way to package a raw/ uncooked product without fermentation?
Sheila
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When canning strawberry preserves can you substitute lime juice for lemon juice?

I am making strawberry margarita preserves and would like to substitute lime juice for lemon juice.. Would that present a problem once I can them?
Linda
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Bubbles in unopened store bought items?

I've noticed air bubbles in several things I've purchased recently. From pasta sauce to salad dressings to salsa. All different brands, all different flavors. I see air bubbles inside the jars/bottles, and I wonder why this is, and if it's normal.…
Elizabeth
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water bath processing for jam

When I am canning jam, after filling the jars, can I process the filled jars in a boiling water bath in two batches, or must all the jars be processed immediately after filling?
Martha
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1 answer

Fresh or dried Garlic

I'm making kosher dill pickles which calls for one clove of garlic.I have some fresh and wonder if fresh or dried garlic cloves is stronger in flavor
Barbara
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Is it not possible to can some species of fish without adding oil?

Some canned fish is available in oil or brine (e.g. tuna, salmon, saury), while other types of canned fish are only available with oil (e.g. sardines, mackerel). If I were to home can some of the latter, would it be completely necessary to add…
Enivid
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Tiny bit of mold on maple syrup—can I still bottle it?

If there's a tiny bit of mold on nearly-finished maple syrup (like, a tiny patch in a pot of 1.5 gal), and it's removed and the syrup is brought back to a boil, is there any particular pathogen that would make it unsafe to bottle? Wikipedia says…
brendan
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Jars of salsa, do I have to boil the jars if they sealed on their own?

Wondering if I have to boil my homemade jars of salsa to seal them if they sealed on their own. (Yes I sterilized them before hand) The salsa went in hot and once the lid was on, about 5 minutes later there was the telltale pop! IF this is safe,…
Andrea Alden
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Shelf-life of pressure-canned soups - is it still good?

I am just trying to get a rough idea of how long a pressure canned soup can last. We made turkey soup with thanksgiving leftovers, which we canned. I have it dated from 10-28-2012, so it's a little less than 5 months old. I followed the pressure…
Matthew
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How to take canned beans out of jar?

Is there any method to take canned beans out of the jar without spoiling the beans, as they are kind of sticking on each other?
MissesBrown
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