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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3
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1answer
212 views

Bottling hot sauces

Does anyone make bottles that can be sealed by canning method? I'll be making sauce in a few weeks and I'm looking for long term storage ideas without freezing or refrigeration. If everything else ...
1
vote
1answer
27 views

why (Calif.) apricot & peach jam will not set?

For years, both my mother's and my own apricot and peach jams would never set up. The pectin package warned us that it might take up to 2 weeks to set (WHY??), and we always waited and checked, but it ...
3
votes
5answers
130 views

Can “Canning” be achieved with “vacuum sealed” bags?

Upon reading the question If I vacuum seal a food product like beef stew then boil it in the bag, would it keep un-refrigerated? and the answer provided http://cooking.stackexchange.com/a/69423/6279 I ...
8
votes
5answers
1k views

Are bubbling preserved lemons a sign of spoilage?

I recently made preserved lemons using a recipe from Jerusalem: The Cookbook. Having poked around a variety of recipes online, it's pretty much the same as all the rest: Lots of salt, squeeze out the ...
8
votes
4answers
8k 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 ...
0
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2answers
71 views

Best way to bottle peri peri sauce?

I am looking to bottle my father-in-laws peri peri sauce and sell it at markets. The ingredients consist of fresh and dried herbs, garlic, salt, lemons and oil (sunflower, canola and olive). This is ...
21
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2answers
364 views

How prevalent was foodborne botulism before stricter food safety guidelines?

Nowadays, foodborne botulism seems to be quite rare, even from potentially high-risk things like home canned goods. (The CDC Botulism Surveillance reports indicate on the scale of tens of confirmed ...
9
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3answers
330 views

Pressure canning instructions

Where can safe and reliable instructions (including high and low altitude canning) be found for canning?
6
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1answer
117 views

What are the guidelines for creating a canning recipe?

I am looking for the criteria that make an acceptable recipe for canning. Most sites say to only use approved canning recipes and not make substitutions, which is totally understandable, but surely ...
3
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2answers
1k views

Should I throw away a jar of olives that fizzed and bubbled upon opening?

Like the title says, I opened a jar of locally produced olives and it started to bubble like seltzer. Is it unsafe to eat?
6
votes
5answers
3k views

Plum preserving/storage method that tastes like plums, not prunes (I just picked 30 lbs)

I just did some neighborhood foraging and picked 30 pounds of red plums. They are delicious, but even I will have trouble eating them all this week. Last year we made jam/preserves but it ended up ...
6
votes
1answer
2k views

Does canned tuna contain preservatives?

I want to know how the tuna can be kept for so long in a can. Do they use preservatives? Or is it just tuna and water (or oil or brine)?
2
votes
3answers
111 views

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, ...
0
votes
1answer
47 views

Adjust salt (in mushrooms)

My goal over the last year has been to reduce the amount of waste that comes out of my home. That means wasting less food and buying fewer items that come in any kind of packaging. When I can, I buy ...
0
votes
2answers
73 views

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 ...
0
votes
1answer
59 views

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 ...
3
votes
1answer
124 views

Canning cheese spreads?

I've been doing some research on canning cheese in half pint jars. A few videos I watched showed some good success with cream cheese but cheddar's seem to change a bit in texture and become a bit ...
0
votes
1answer
98 views

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 ...
9
votes
1answer
830 views

Will a dishwasher sterilize bottles for canning?

I'm making tomato relish. Can I sterilize jars adequately by putting them in the dishwasher?
4
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6answers
14k 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 ...
2
votes
1answer
129 views

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?
3
votes
2answers
515 views

Canning chili with beans

We're going to try canning some homemade chili with canned kidney beans. Question: Would it be best to add the beans right before canning so they don't get over cooked or do you think there would be ...
0
votes
0answers
50 views

combining two method of making Dulce de leche from a can of sweetened condensed milk

As I gather, there are various methods of making Dulce de leche from a can of sweetened condensed milk. I've actually tried boiling the can for 3-4 hours twice, and the results not entirely to my ...
5
votes
4answers
5k 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 ...
10
votes
2answers
888 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 ...
1
vote
1answer
140 views

Why are home canning jars made of glass and not metal?

I was hoping to can some food to take backpacking and looking for metal canning jars for home canning, but as far as I can see, they don't exist. Is there any reason why canning jars are made of glass?...
3
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3answers
225 views

Jam “separates” in processing

I've been making jams and jellies for a while now. While I don't have this problem as much with marmalade, for some reason my jam usually separates when being jarred and canned. By separate, I mean ...
4
votes
2answers
74 views

Can I un-seal canned tomato sauce, and re-seal after further cooking?

If I canned tomato sauce and all the jars sealed perfectly, can I open them, cook the sauce a little more, and do the process over again? I had some of the sauce today and I think it needed a little ...
5
votes
1answer
146 views

Is it ok to include garlic when I can hot peppers?

I followed the Ball Blue Book recipe for canning hot vinegared peppers. I left the peppers whole, and forgot to discard the garlic from the vinegar recipe before I filled the quart size jars & ...
12
votes
7answers
8k 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 ...
3
votes
3answers
23k 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 ...
2
votes
0answers
104 views

What is the minimum processing time for salsas?

I found a recipe (Wonderful Salsa at Food.com) that called for it to be processed for 10 minutes. I'm seeing now that other salsa recipes call for 15 or more minutes. Is this true for all salsas, or ...
2
votes
2answers
199 views

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....
1
vote
1answer
55 views

Can I keep canned peaches in the fridge if water got in during processing?

I followed all the rules to a tee. Unfortunately, before immersing jars for final boiling, I apparently did not tighten the lids enough. I just took them out of the boiling water after 30 minutes ...
2
votes
1answer
81 views

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 ...
1
vote
1answer
160 views

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/...
2
votes
2answers
77 views

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 ...
2
votes
1answer
302 views

Safety of adding dried hot pepper to opened jar of pickles

I have a particular brand of jarred pickles I buy from a local supplier. They're some kind of beer pickle, and the brine has a vinegar and IPA type of taste, and it's loaded with garlic and dill. Very ...
5
votes
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 ...
7
votes
6answers
22k 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 ...
1
vote
2answers
533 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?
5
votes
2answers
129 views

The pressure cooker gauge was wrong for cans of soup I processed in the past 5 weeks. What can I do with the soup?

I've been pressure canning zucchini soup the past 2 years and it's a beautiful thing. This year I used a different pressure cooker, and I've just found out that 15psi on this pressure cooker is ...
3
votes
1answer
304 views

Does glass bottled orange juice taste bad because of leached metals?

I refuse to get glass bottled orange juice any more even when it's on sale because it tastes bad to me. It seems like every glass bottled orange juice I've ever had tastes bad compared to orange ...
1
vote
1answer
85 views

Other ways to preserve red cabbage [closed]

We have 3 nice heads of red cabbage to pick soon. We are most likely going to can it all as sweet and sour cabbage but before we do that I was wondering if there are other ways to preserve it using ...
2
votes
1answer
92 views

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?
8
votes
5answers
6k 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 ...
10
votes
6answers
21k 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 ...
3
votes
1answer
87 views

Inversion Canning

I tried canning spiced peach jam last night with a friend, and the recipe she found called for the inversion canning method to seal the jars. I should have researched on this last night, before we ...
0
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3answers
126 views

Culinarily Flexible Pepper

I'm planning next years garden, and want to know what the most culinary flexible pepper to plant would be. I plan on using peppers for canning & chili.
9
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1answer
15k 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 ...