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

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How long is homemade spiced apple cider good for in a sealed Mason canning jar?

I bring the cider to a boil and simmer the spices for 15 minutes. Immediately after, I pour the cider into canning Mason glass jars with the lids that have the button. How long should I expect the ...
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0answers
70 views

Why would hot-packed green beans go bad when still sealed?

My hot-packed green beans went bad. They are still sealed, look nice and green. On the bottom there is a white slime. When I opened a jar they smelled terrible. What happened?
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6answers
6k views

Is there a definitive way to know if a tin can is lined with BPA?

Many tin cans are lined with BPA which has been connected with various health issues in various studies. Is there a way to determine whether a can of food contains BPA lining? Can the place of ...
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3answers
2k views

Do tinned foods go off (stale)?

This morning I found a tin of baked beans with a best before date of August 2014. A colleague of mine told me that it's perfectly safe to eat, and that tinned foods never go off. Can this be true? Do ...
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5answers
7k views

Method of canning without pressure canner?

I'm debating canning but I don't have a pressure canner. I was just wondering what the best method to can would be since I don't want to get botulism and I want the canned food to last for a long ...
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1answer
156 views

Does cooking one month expired canned goods render it edible?

Sometimes when preparing to eat canned goods, I realized that it has already expired. I am hesitant to throw it away because it may still be edible. Question: Does cooking expired canned goods make ...
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1answer
492 views

Why do bread and butter pickle recipes call for onions, mustard seed, and celery seed?

I recently made a jar of bread and butter pickles. I understood most of the rationale behind the ingredients and directions in the recipe - the cucumbers are salted to draw out water and break cell ...
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1answer
10k views

Why are my canning lids popped out?

My wife has been trying to can some foods using the canning techniques that she's familiar with from Romania, but with the American-style canning jars and lids that we get here. This involves packing ...
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3answers
8k views

Why would I turn canning jars upside down for 15 minutes after removing from the water bath?

I am planning to can a plum chutney and have ordered the Stagioni 10 1/2 oz jars. Having only used Ball jars, I am not sure I understand why their website says to remove from water and place upside ...
3
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1answer
114 views

Cans are all sealed, but I forgot to boil the closed jars - should I boil them now?

I am relatively new at canning. Last night I made a batch of peach butter using a trusted recipe that I have made and canned before. I sterilized my jars and lids, ladled the boiling peach butter ...
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3answers
1k views

Is it safe to remove the rings on jars for long-term storage of home-canned goods?

Is it okay to store the canned goods without the ring screwed on it? I know someone who removes the screwed rings off her jars once they're processed and then stores her jars with the seal lids only. ...
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4answers
2k views

Why is my blueberry jam grainy?

I recently made and canned blueberry jam for the first time, using this recipe and canning instructions. I filled all my jars & canned them, but there was a little jam left in the pot. It was a ...
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3answers
4k views

Ball Canning Jars: Use them over and over?

A simple question: Can I seal and reseal Ball canning jars over and over? How long before the seal gets busted usually? Also, how do you clean the rubber seal ring without damaging it?
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1answer
70 views

Canning with Quart Jars

Most of the recipes I'm finding on reputable websites for canning pickles (or banana peppers) are designed for pint-sized jars. So, naturally, I have a full dozen quart-sized jars that I'd like to use ...
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5answers
11k views

Is the double boiling canning procedure really necessary?

It seems the usual procedure is to sanitize cans and lids by immersing them in boiling water, to fill the cans, and then to cap them and boil for a few more minutes. If I sanitize a can and then fill ...
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1answer
124 views

Can I used lemon juice in place of ascorbic acid in canning peaches?

Went to can my peaches and it's seven miles to the store....can I used lemon juice in place of ascorbic acid?
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4answers
2k views

Why do you need to peel peaches to can them?

I am going to be canning a bunch of peaches tonight, and I know that you have to peel them first (and I know how to do it easy), but I got to wondering, why do I have to do it? I have always done it. ...
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2answers
109 views

Canning Hot Peppers

This is my recipe for canning peppers. I bring 3 gal vinegar, 1 gal water and 1 lb canning salt to a boil. Let cool down a bit then pour into 1 qrt large mouth with peppers, garlic and pickling ...
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3answers
344 views

Do I need to boil filled jam/chutney jars? [duplicate]

I want to start making chutneys/jams at home, but am unsure of exactly how to proceed. Friends I've spoken to have said to sterilize the jars, then just put the hot jam/chutney in, and some online ...
2
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1answer
63 views

Homemade Preserves

I was given 3 different jars of preserves. They left the jars in the car for 2 days in the heat of Nevada and when they gave to me you could see the jams had turned to liquid. After leaving on the ...
2
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1answer
140 views

Can I re-can a batch of salsa that is missing an ingredient?

At the end of last summer we made up a huge batch of salsa and successfully canned it (approximately 8 months ago). My wonderful hubby finished it when I was at work. Now I opened a jar and realized ...
5
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1answer
136 views

should my sour pickles be sealed while pickling?

I'm making sour pickles. A lot of recipes say that the lid should be loose or upside down so that the pickles have room to "breath". I keep the jars out, often coming into contact with light from ...
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3answers
82 views

Are special recipes needed to preserve using a pressure canner?

I know that it's best practice to use tested and true recipes for water bath canning due to botulism risk, but is it necessary to find special recipes for use in a pressure canner? edit: What I mean ...
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0answers
24 views

Should I store jars processed with a pressure canner without their rings? [duplicate]

I read this guide to pressure canning where the author claims that it's a good idea to store the jars without their rings. Is this true? If so, why? Remove the screw cap and wash the jar. The ...
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2answers
5k views

Canning in a Pressure Cooker

Well, unfortunately the present my mom got me last Christmas turned out to be a pressure cooker and not a pressure canner. I've read that it is unsafe to can low acid foods using a pressure cooker. ...
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1answer
565 views

How long can milk be stored in the refrigerator after boiled and put in a Ball jar?

I've finally gotten my steel-cut oats recipe nearly perfect and I'm trying to figure out how long I can store them (so I know how much I can make at once). Basically I'm doing a double-boiler setup in ...
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1answer
129 views

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 ...
0
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1answer
52 views

Making Pickles - Confirming Sanitization Procedure

I'm about to make a batch of dill pickles. The recipe it pretty straightforward: A batch of firm baby cucumbers 1 cup of water 1 cup of vinegar 1 heaping tablespoon of salt 4 cloves of garlic, ...
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1answer
79 views

Making Habanero Jelly - Safety and Preventing Spoilage

I have recently made a large batch of habanero jelly, and followed the recipe exactly (please see References). I am wondering, why is the final boil of the sealed jars necessary? I've already boiled ...
4
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1answer
121 views

Sanitizing bottles/jars for homemade sauce

The recipe for tomato sauce (includes vinegar, sugar and salt) I am using says I can put the bottles in cool water and bring to boil; once they are boiling, they are ready to fill and seal. My ...
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2answers
170 views

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 ...
2
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2answers
356 views

How can I modify my hot sauce to make it Shelf Stable?

I would like to be able to can and then sell my own hot sauce. The hot sauce I make is a low acid meat (ground beef) and tomato based sauce. I had sent it in to get a shelf life expectancy, and was ...
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2answers
4k views

Do you need a pressure cooker to can home-made salsa?

I grew my own tomatoes this year and had success with making my own salsa. Do you need a pressure cooker to can home-made salsa?
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2answers
291 views

How can I determine canning processing times?

I know safety is paramount with canning, and best answer is always to find a trusted recipe. But that's obviously not possible for every conceivable food one might want to can. Besides, trusted ...
0
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1answer
148 views

Canning pickles and sealing lids

I did the whole boiling process of canning the pickles and over night some did not seal but as soon as I placed them in the fridge they sealed. Do they need to stay in the fridge or can I put them in ...
2
votes
1answer
639 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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2answers
420 views

Jar lids popping several times

I've canned my whole life (54 years old), I started when I was young helping my Mom, and I've never run into this before. I've never canned just plain pork stock before, but wanted to try. I had 4 ...
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2answers
58 views

Help for thin flavorless jam

I made a blackberry/blueberry jam about 3 1/2 weeks ago. Due to work and school, I lost track of time. The jam came out a little thin (and flavorless). Is it too late to reprocess the jars? It was ...
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4answers
7k views

I wanted to make homemade pickles, does it matter what type of salt I use?

I've got the spices, jars, etc. I was wondering if there is a special salt, or can I just use table salt?
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3answers
2k views

How to keep pumpkin fresh for a long time?

I want to store some (about 10 kg.s) fresh pumpkin for a long time (3-6 months) to use in pumpkin pies mostly. What's the most useful way of doing it? Can I put them in freezer? Raw or cooked? And ...
0
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1answer
66 views

Is acid required when pressure canning?

I saw in the answers to this question that acid (like vinegar) is necessary to properly preserve hot sauce, and many other answers here similarly say that a low pH is necessary for safe canning of ...
2
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2answers
227 views

First time canning…forgot to sterilize my jar. Advice please!

I made a jalepeno/banana pepper relish from my garden two days ago and have since realized that I was supposed to sterilize the jar before doing this. My fault for not researching enough at the ...
3
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1answer
110 views

Why hot pack when raw pack is just as fast?

To pick an example, this green bean canning recipe gives the same processing times for both hot and raw pack. Presumably even with raw pack, the 20-25 minute processing time is enough to thoroughly ...
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5answers
3k views

Is there a way to safely can pesto sauce?

I grow basil and I have enough that I would like to can some pesto sauce. I have tried to find a way to can it but I keep hitting a wall. I would like to give a few cans of pesto to people for ...
5
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1answer
1k views

Can steaming cans of jams be safely used instead of boiling to sterilise?

Can i sterilise my filled jars of marmalade, raspberry and cherry jam in a steamer unit, such as those used to steam vegetables or baby bottles? I usually make batches of 15 jars so its difficult for ...
3
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2answers
535 views

Canning tomato sauce problem, jar broken in boiling method

It was my first try to canning tomato sauce but I failed. I prepared a tomato pizza sauce. I boiled a jar and lid then removed it I filled the jar with sauce and left one inch empty space and closed ...
4
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1answer
706 views

Canning tomato sauce

I am asking for advice on canning a tomato pasta sauce. It consists of canned tomatoes, butter, and some onions. I already did a Google search, but the results are contradicting. Some people claim ...
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2answers
1k views

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 ...
7
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1answer
202 views

In industrially produced soup, how does each can contain equal parts of all ingredients?

In the soup that you get at the store, how come you never get cans of just broth? You'd think that if the soup were made in a large vat, the first few cans would have very little broth and the last ...
7
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5answers
17k views

Minimum procedure for sterilizing mason jars for canning

My wife and I are about to do some tomato canning tomorrow. We have a bunch of mason jars that we didn't have time to sterilize. She thinks that just washing them in hot water is enough. After ...