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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1answer
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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
94 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
26 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
55 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
92 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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5answers
4k 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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2answers
93 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 ...
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2answers
162 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
3k 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
265 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 ...
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1answer
107 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
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1answer
456 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
300 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
41 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
4k 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
466 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
52 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 ...
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3answers
3k 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 ...
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2answers
179 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
93 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
431 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
505 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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4answers
7k views

Is the double boiling canning procedure really necessary?

It seems the usual procedure is to sterilize 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 sterilize a can and then ...
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2answers
586 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
194 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 ...
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5answers
15k 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 ...
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3answers
11k views

Can I use citric acid instead of lemon juice when canning?

I am making wine jelly and have run out of lemons. I have some citric acid in the pantry. Can I use the citric acid instead? The jelly calls for half a cup of lemon juice. If I can use it, how much ...
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4answers
1k views

New to jam making - do I need to can?

I am a noob-to-be jam maker and a noob seasoned advice member. I want to make this pectin-free jam recipe; but here is the issue: In English speaking sources, any jam recipe goes with instructions on ...
3
votes
1answer
99 views

How do you safely bottle or “can” bbq meat drippings?

I want to bottle (and store) about 16 oz of barbcue drippings I captured from cooking brisket. Do I have to use the "pressure canning" method to can the drippings, or can I just bottle it using the ...
2
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1answer
314 views

How to make shelf-stable chocolate milk?

Based on online reading, it seems like decreasing PH to < 4.5 is the way to reduce spore-former activity. Is it possible to decrease the pH of milk without significantly affecting its taste and ...
7
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1answer
1k views

How long is SPAM really good for?

I wanted to buy some SPAM for my zombie apocalypse survival kit, and I noticed that it had an expiration date in 2013. Should I be concerned? I've heard it will last more than 25 years.
3
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1answer
498 views

Hand operated can sealer

Do hand operated can sealing machines work as well as commercial automatic machines in terms of seal quality and storage life? Keen to give it a go, but can't locate any hand can sealing machines. ...
4
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2answers
1k views

What can I do if I didn't process my salsa long enough?

I made salsa last week, and processed the jars (quarts) for 20 minutes (may have been 25, I forgot to note exactly when the water started to boil). I got my times mixed up for the salsa and some ...
7
votes
1answer
286 views

Does cornstarch affect the pH of what I'm cooking?

I'm considering canning some fruit compotes to use with yogurt, and the recipe I want to use (which was not designed with canning in mind, found here: ...
6
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2answers
816 views

Stockpot double as beer brewing pot

I wanted to buy a large stockpot for canning tomato sauce and be able to use the same pot for the double purpose of beer brewing. I'm considering Update International Stainless 40 Qt. stockpot. It has ...
10
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5answers
5k 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 ...
4
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1answer
66 views

Keeping ripe pears for canning later

I picked my pears Labor day weekend like I always do but when I went to can them the following weekend only about 1/4 of them were ripe. Now the rest are all very ripe and there is no way I can get to ...
7
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3answers
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 ...
11
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3answers
1k 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. ...
3
votes
2answers
3k 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. ...
2
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1answer
134 views

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?
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2answers
2k views

Why peel tomatoes?

Everyone seems to think it is necessary to peel tomatoes before canning or freezing them. Since I do not peel tomatoes when I'm cooking with them (soups, salsa, etc.), I'm wondering if I can freeze ...
4
votes
2answers
518 views

How can I keep my jam from overcooking while I process it?

As we've rolled into fruit season this year I've started canning up some jams using a traditional boiling process in my big stock pot (though I'm getting pretty close to investing in a pressure canner ...
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2answers
2k views

How to make Grape Must

I just bought some grape must - it's a must on spinach salad! I am thinking of turning some of my own homemade concord grape juice into the same. Any advice, other than to reduce by slow boiling? Can ...
4
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1answer
176 views

How can I avoid limp strawberries?

When using strawberries to make a preserve (canning process), they become limp and lose colour Is there a way to avoid this?
4
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1answer
301 views

Can I can bacon?

This question is my wife's. I don't want to save bacon for later. I have seen commercial canned bacon for long term food storage and camping, etc. Is it possible to can bacon at home? Does it have ...
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2answers
457 views

How do I make shelf stable legume dishes in vacuum bags?

how do I make shelf stable cooked legumes in vacuum sealed bags at home?
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2answers
185 views

How to determine if canning is safe?

How can I tell if it is safe to can a particular homemade sauce? Is it just a function of pH and technique (pressure vs boiling water) or are there any other factors in play? Specifically, I would ...