The Canning Shelf — Buy It Once, Fill It Every Fall

Which Canner You Need — the One Thing to Get Right

There are two kinds of canner, and which one you buy is decided by a single thing: how acidic the food is. This is the most important idea on the page, so we will say it plain.

• A water-bath canner — really just a big, deep pot with a rack and a lid — is for high-acid foods: jams, jellies, pickles, most fruit, and tomatoes with a little added acid. The acid itself is what keeps the food safe; the boiling water finishes the job. This is the cheap, gentle, beginner end.
• A pressure canner — a heavy pot that locks down and builds real steam pressure — is for low-acid foods: vegetables, meats, beans, soups. These must be pressure canned. Boiling water alone cannot make them safe no matter how long you boil them, because the danger in a sealed jar of low-acid food survives boiling and is only killed at the higher temperature a pressure canner reaches. There is no workaround for this, and no amount of added vinegar changes it.

One warning earns its own line: a pressure canner is not the same thing as an Instant Pot or an electric pressure cooker. The people who test this for a living do not approve those for canning low-acid food. If you are putting up vegetables or meat, you want a real, gauge-topped pressure canner — nothing else.

So the honest buying advice is short. If you are starting where most people start — jams, jellies, and pickles — a water-bath canner is all you need, and it is cheap. If you know you want to put up green beans or soup, budget for a pressure canner from the start. What time, what pressure, for which food? That is exactly what the book is for. It is the book’s job, not ours. Water-bath canners and pressure canners on Amazon.

The Jars — The Real Buy-Once

Here is where canning becomes pure Buy It At 50. A canning jar is one of the few things you truly buy once. A good Mason jar lasts for decades — generations, honestly; there are jars on pantry shelves older than the hands filling them. You buy them once, wash them, and refill them every year for the rest of your life. Only one part is single-use: the flat metal lid, the disc that seals once and gets replaced each batch. The screw band that holds it down is reusable for years. Worth knowing why that matters more each year: grip is the first thing to go, and it starts at fifty, two decades before anything happens to your legs.

• Get Mason jars — the two-piece kind, with a flat lid and a screw band. Regular-mouth is fine for jams and jellies; wide-mouth is easier for anything you have to pack in, like pickles or beans — and wide-mouth is friendlier to older hands, less fiddly to fill and to fish out.
• Do not can in commercial food jars — the mayonnaise jar, the pasta-sauce jar. They are not built for the heat-and-cool of canning; they can crack in the canner or simply fail to seal, and a jar that does not seal is a jar you cannot keep.
• Check the rim before every use. Run a finger around the jar’s top sealing edge. A chip or a crack there means it will not seal — retire that one to dry storage (dry beans, buttons, screws) and reach for a good one when there is food going in.

The Little Tools That Save Your Hands

You can get by with just a pot and jars, but a handful of cheap tools turn canning from a scald-and-fumble job into an easy afternoon — and they matter more, not less, as your hands get older. The whole set costs about what two jars of store-bought jam do:

• A jar lifter — rubber-jawed tongs that grip a hot, wet jar so you are never hauling a scalding jar out of boiling water with a slippery dish towel. If you buy one single tool, buy this one.
• A canning funnel — a wide funnel that sits in the jar mouth so you fill the jar and not the counter, and keep the rim clean, which the seal depends on.
• A bubble remover / headspace tool — a little plastic wand that slides down inside to free trapped air and measure the gap at the top of the jar. (How much gap? The book will tell you — that gap has a job.)
• A lid lifter — a magnet on a stick to pull a flat lid out of hot water without burning your fingertips.

All four come bundled as a “canning tool set” for a few dollars. Buy the set — it is the cheapest comfort and safety you will ever add to the kitchen. Canning tool sets on Amazon.

What’s Worth Putting Up

Here is the fun part — what actually goes in the jars. We will not hand you recipes (that is the book’s job, and we mean it), but here is what is worth a beginner’s time, easiest first:

• Jams and jellies. The perfect first project: high-acid, water-bath, and forgiving. Strawberry, blackberry, grape, apple — if you can boil fruit and sugar, you can make jam. This is where most folks start, and where plenty of them happily stay.
• Pickles and relishes. Cucumbers of course, but also beans, beets, okra, peppers — the vinegar does the safety work and the water bath does the rest.
• Tomatoes and salsa — with the added acid the recipe calls for. Tomatoes sit right on the line between high- and low-acid, so this is one where you follow the recipe to the letter, no eyeballing.
• Fruit — peaches, pears, applesauce, pie filling. A shelf of summer to open in February.
• And with a pressure canner: green beans, corn, carrots, soups and stocks, even meat and chili. The pantry version of a chest freezer that never loses power in a storm.

Every single one of these has a tested recipe waiting in the books just below. Pick a fruit, look it up, follow it exactly.

And not everything worth putting up goes in a jar. Rendered fat keeps for months in the refrigerator and longer than that frozen, costs nothing because it is a by-product of something you already cooked, and it is what the pantries these methods came from actually ran on. Saving bacon grease and rendering lard is on its own page.

Where the How-To Lives — The Books

Now the most important section on this page, and the one that makes canning different from every other subject on this site: we are not going to teach you how to can. Not because it is hard — because it is the one kitchen skill where a wrong number can genuinely hurt someone, and the people who worked out the right numbers already wrote every one of them down, tested them in a laboratory, and in most cases give them away for free. Your whole job is to get one of these and follow it exactly: the exact recipe, the exact time, the exact method. Never improvise the acid. Never shave the time.

• The USDA Complete Guide to Home Canning. The gold standard — written by the government’s food-safety people, tested, and completely free to download. If you get one thing, get this. Download it free.
• The National Center for Home Food Preservation — the same USDA-backed recipes, online and free, from the University of Georgia. Searchable, which makes it the easy one to use from your phone right there at the stove. nchfp.uga.edu.
• The Ball Blue Book Guide to Preserving (or its bigger cousin, The All New Ball Book of Canning and Preserving) — the classic, made by the folks who make the jars, with every recipe lab-tested. The friendly, sits-on-the-counter option. Find it on Amazon.
• So Easy to Preserve, from the University of Georgia — a big, thorough, fully tested book if you want one volume that covers canning, pickling, freezing, and drying all at once.

Get one. Follow it to the letter. That is the entire safety plan, and it is a good one.

An Honest Word on Safety — and on Older Hands

Two honest things before you start. First, the safety, since it is the reason this page keeps sending you to the book. The danger in canning has a name — botulism — and you cannot see it, smell it, or taste it. In a sealed jar of improperly canned low-acid food it can make a poison so strong that a single taste can be fatal. That sounds dramatic; it is simply true, and it is exactly why the tested recipes exist, and exactly why “grandma canned it in a water bath and was fine” is not a plan — it is luck, and luck runs out. Follow a tested recipe and canning is safe, simple, and one of the most satisfying things you will ever do in a kitchen. Skip the recipe and it becomes a gamble with the worst prize there is.

Second, the hands. Canning is physical work — you are lifting pots of boiling water and hoisting hot, full jars. Past fifty, size the job to your body, not your ambition: do smaller batches, use the jar lifter every single time, keep a clear path from the stove to the counter, and never wrestle a full canner you cannot lift safely. There is no medal for a big batch — and honestly, canning is more fun with a second set of hands anyway, which is as good an excuse as any to rope in a grandkid.

Buy It at Fifty — A Pantry That Fills Itself

Step back and look at what this actually costs. A water-bath canner, a case of jars, and a four-dollar tool set — and you are set for the rest of your life. The canner lasts decades. The jars last generations. The only things you ever rebuy are the flat lids and whatever summer you put inside. Do this at fifty and you are not buying a hobby gadget. You are buying a pantry that fills itself every fall for the next thirty years, and a shelf of jars your grandchildren will still be using after you.

And it fits the rest of the plan. If you are already growing a garden, canning is how the July tomatoes become January soup — grow it, then keep it. That is the oldest version of Buy It At 50 there is: the people on the hill I grew up on put up the whole summer every fall, because the store was a long way down the mountain and a hard winter was a certainty, not a maybe. Same jars, same idea, still on the shelf. Start with a batch of jam, and you have joined them.

🔗 The Rest of Putting Food Up

Pickling, Fermenting & Drying

The two ways to put food up that need no canner. Nothing gets hot, nothing gets heavy, and nothing runs on a clock — which matters more every year. Plus the crock, the weights and the one dehydrator spec worth paying for.

Read the guide →

The Spring House

Refrigeration with no power, no compressor and nothing to break — and the reason it existed was not storage at all. It was the gap between when the garden forces your hand and when you can actually get to the work.

Read the guide →