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Water Bath vs Pressure Canning: Which Do You Actually Need? | A UK Kitchen Preserving Guide

Back To The Good Life | Niki Wilkinson

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Hot filling, water-bath canning or pressure canning—which method do you actually need?
Let’s make preserving less confusing by understanding what’s doing the preserving: acidity, sugar, heat, or a combination.

If you’ve ever looked up how to preserve your harvest and emerged convinced you need a chemistry degree, three enormous pots and permission from someone in a Facebook group, this video is for you.

I’m comparing the three methods in an ordinary UK kitchen: how they work, what protections different foods need, and which equipment might earn its cupboard space.

There’s also a little pH experiment. GCSE chemistry, but with vinegar and considerably less supervision.

We’re covering:
🫙 Traditional hot filling for properly formulated preserves
🍓 Water bathing and the role of acidity
🥕 Pressure canning and low-acid foods
🧪 Bacteria, spores and toxin—and why they’re different
🍬 How sugar reduces the water available to microorganisms
📏 Headspace, seals, processing and altitude
🌍 Differences between British, European and American preserving guidance
🔌 Pressure canners, pressure cookers and electric multicookers

My aim is to help you make informed decisions, understand the evidence and build a pantry you’ll actually use. Taking food safety seriously doesn’t require frightening every beginner out of making their first jar of jam.

Different traditions exist, but their processes aren’t automatically interchangeable. Follow a reliable recipe and its complete instructions for your food, jars, equipment and storage. My personal experiments aren’t validation for another appliance or recipe, and the pH-strip demonstration explains acidity—it doesn’t certify a preserve as shelf-stable.

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Explore options for freezing, bottling, canning, dehydrating and fermenting your harvest:
https://backtothegoodlife.com/save-th...

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📚 GUIDANCE & FURTHER READING
These sources serve different purposes: public-health guidance, tested home-canning guidance, surveillance research and manufacturer instructions. Read each in its full context.

German Federal Institute for Risk Assessment—botulism questions and answers:
https://www.bfr.bund.de/en/service/fr...

National Center for Home Food Preservation—ensuring safe canned foods:
https://nchfp.uga.edu/how/can/general...

Review of Foodborne Botulism in the UK, 2006–2024:
https://pmc.ncbi.nlm.nih.gov/articles...

Le Parfait—natural green beans, an example of the differing manufacturer instructions discussed:
https://www.leparfait.com/blogs/recip...

💬 Which preserving method did you grow up seeing at home? And what’s the one food you’d like to learn to preserve?

#FoodPreservation #UKHomesteading #BackToTheGoodLife

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Timestamps:
0:00 Introduction to canning
2:13 Addressing canning fears
6:35 Understanding acidity
14:06 Methods and evidence
17:58 Hot filling method
24:56 Water bath canning
32:12 Pressure canning

20 Comments

@GamerCatLady1984 1 day ago

I grew up watching my mom make kimchi. She never specifically taught me how to make it aside from general techniques. I feel like kimchi is individual to each person who makes it aside from commercially made. I started gardening this year and my summer harvest was about ten green beans. This autumn I am hoping for about seven napa cabbages to make kimchi that will get me through the winter. Thanks and I wish everyone a safe and bountiful winter.

@Khushee01 3 days ago

Oh beautiful human, thank you for this. Here we've never pressure canned, and have never had issues with WB canning. We've canned WB for generations - pressure canners don't exist here. Whilst I have an instant pot, i have zero success pressure canning in it, other than the occasional steam canning tomato relish. I was recently involved in a very angry "discussion" online because USDA is not practiced everywhere in the world, and apparently my entire family and ancestors should be dead by now😂
Your very human way of discussing anything is a breath of fresh air. As someone who owns a normal suburban home with a veg garden, and who preserves because it is what I've always done, I honestly appreciate your existence in the same timeline as me.
Much love xxx

@Watching-v7s 3 days ago

I have always used hot jar method for jam, apple sauce, fruit pie filling, tomato sauce etc etc, never had a problem. I'm now 73, always wash and heat jars in the oven same with lids and put lids in boiling water.then when what ever is Jared listen for all of them to pop then you know they are sealed.make sure you stick to the recipe. Love your content ❤❤

@user-vw4qk5cu1k 3 days ago

Perhaps you need a disclaimer at the start of your videos 'For those of you who need the 'Caution Coffee may be hot' warning at Maccy D's find another channel 😂

@DB-pm2vy 2 days ago

I’m 87 now and remember my mother bottling tomatoes at the end of the war and getting a box of peaches off a London market every year to bottle. I assume by boiling water bathing them. A lot of stuff including Xmas puddings went in the copper but I guess these were done on the gas top. I remember her saying bottling stuff in the oven wasn’t safe.
Hence when I grew up much later I remembered her big kilner jars ( with a penny pushed under the lid clip to hold it fast) and tried it myself.
Years later now I can afford proper jars but also use general jars with working ‘ popper’ that will still seal.
I use a large casserole pot to sterilise my jars. I put a thick hand made cotton cloth at the bottom to protect the bases
I do have a pressure cooker but it’s too heavy for my arthritic hands so I’m safer water bathing. I stick mainly to cucumbers and tomatoes and add acid as required. I occasionally do fruit but never beans or meat.
Yes I do chutneys and some jam but never water bath them but I sterilise jars and funnels in the oven.
I have the US guidelines book on canning and do sometimes use their recipes and times for different things. I don’t do facebook so that can’t influence me.
Thankyou for showing your devices much more sophisticated than mine but don’t have room for much new stuff nowadays.
Very interesting to see what another Brit does 🤗. Regards from Yorkshire

@joolsparry 2 days ago

Hi Niki, I've just found your channel and joined your community. Thank you so much for the lovely calm and humorous way that you deliver your content, I wish I'd found you before as I've seen loads of scary stuff out there about canning and preparedness. You would have made the best teacher ever. I'm looking forward to working my way through your back catalogue. Love from the Midlands xx

@dominique8233 3 days ago

One of the best clear explanation and description. Brilliant for beginners and a reminder to those who already can.

@paulinestevens9351 3 days ago

I'm 74 and I have only used the hot jar method for both jams and chutneys. I also ferment and dehydrate but to be honest I think my mother's old fashioned steam cooker terrified me so much as a child I've only found the courage to use my ninja for stews recently and never bottling/canning. Love the sarcasm 🥰

@FLP-v7b9k 2 days ago

You are such a great teacher. I love the sciencey/ humorous/ practical presentation.

@debrafry1510 2 days ago

You did an excellent job explaining things. Simple, honest, & to the point. Plus, you actually know what you're talking about. That's rare these days.
Thank you.
I'm from Texas USA. In my seventies. Been around preserving since before I can
remember. And have never heard it put any better.

@lindachandler2293 22 hours ago

I learned waterbathing in the late 1950's and have no problem with it at all; veggies or meat. In the early 1970's I was gifted a pressure cooker. I did and still do a lot of pressure canning simply because it's so much faster.

@fionnaheller1873 2 days ago

This was an excellent and comprehensive run through the different ways of preserving. Thank you.
I've spent over fifty years water bathing and ''open kettle'' methods across all kinds of foods but some years ago felt intrigued by pressure canning so acquired one from the USA somewhat cheaper than through UK outlets. Its very good, but parts are tricky to source. I was recently introduced to a UK/European manifacturer based in the Netherlands and bought one. It is excellent, so much so I bought a second one because I lend mine out to neighbours/family. Its found under ''CanMate'' online [I think its 'under pressure canning supplies' or something like that] and the customer service is second to none. I find it very reliable, easy to use and it has paid for itself many times over by allowing bulk butcher buys or, if you prefer, taking advantage of offers in supermarkets etc, most especially for meats. The main difference isn't so much the time - its not having to worry about keeping that rolling boil and water levels consistent over a long time. In the old days meat was water bathed for 3 hours or so. I find pressure canning less wearing on the legs and attention span for most low acid foods that take so long using traditional [UK] methods. I do use mason jars, but never branded ones, so mine are all cheap versions, and have crates of collected ordinary jars sitting ready in the store because neighbours give me them - they know I want them! I could rely on a freezer but I've lived through too many power cuts to trust that. Anything in my freezer can easily be then stored via pressure canning or one of the other methods, so I haven't lost a load of food yet. I've known people break their hearts over piles of soggy packages being thrown out - its such a waste. Finally, always store somewhere consistently cool, dark and dry. I never let light anywhere near my pantry store except when retrieving a jar. Its a shame because shelves filled with jars is a wonderfully comforting sight.

@robshaw6844 2 days ago

Freezing was the only real preserving method I saw as a kid. As an adult, week long fridge stored pickled beetroot is the only thing I've really been exposed to, and I made my own first batch 2 weeks ago ... delicious!
I keep threatening to do a waterbath recipe by the end of the year, but so far it's still theory only.

@sharonbates6229 3 days ago

Thank you 😊 I’m a late 1950’s adult and remember my mother sending me to get jars of preserved apples, pears and similar. 10yrs after WWll no fancy canning devices. Hot preserve with chutneys, jams the same. I can’t remember how she preserved autumn fruits for the winter but am guessing water bathing.
Love your channel…keep it going

@jennivanhart3016 3 days ago

I used to freeze all my chicken stock, but space in the freezer and the desire to no longer remember to thaw it out to use so I ended up saving up to buy my Nesco electric canner and I LOVE it so much. My husband questions every jar I want to keep. Sometimes the jars are just adorable and I "might" use them for a gift...... I have a space limitation and if I start to run out of space for my empty jars I just have to make something that uses some up! I grew up with water bathing exclusively. Mum made chutneys, jams, and bottled fruit from our garden. I was daunted to make anything other than jam before I got my electric canner. Now the sky's the limit - or access to fresh vegetables/fruit. I got a TooGooToGo produce bag this week that had 3 pounds of chopped fresh pineapple in it so am going to can up a couple of jars of that to preserve it for future pizza nights!

@karenbransome6978 3 days ago

I came for the canning and stayed for the sarcasm....... ❤😂❤.

Thank you for explaining all of this. And it's good to know this video is here to help as I try canning and find the process that works for my food storage.

Love the look of your pantry.

I did strawberries for some jam from the reduced section. 😊❤😊. I was so chuffed with myself. 😊.

Hugs from Leicester xx

@jenniferlevine5406 2 days ago

You make everything so much more approachable. Thank you for sharing your thoughts and inspiring some beginning confidence in us newbies!

@estherreeves6445 1 day ago (edited)

I time share a pressure canner with a friend and love it. That said it is a huge pan for a UK kitchen and hard to store anywhere. Having jars of stock rather than a frozen lump is great and my partner and sons are always raiding my jars for meat and pre made meals for camping !

@nakikiish 3 days ago

Thank you !!!❤❤❤

@arlene9993 3 days ago

Great video! I’m in US and have been canning for many years and originally learned from a friend’s mom then by taking classes via UC Extension courses and learned much of the science behind canning. I’ve also had to “unlearn” some methods which science has proved incorrect or unsafe. As you suggested, learning the various methods by which each food can be preserved (fermenting, freezing, canning, dehydrating, freeze drying, cold storage, etc) how you will use that food, and how long you’ll intend to keep it shelf stable and edible, as well as which containers will keep it fresh and safe before expiry should be top of everyone’s starting list before commencing any preserving project. So… start with ingredients of choice and master the various methods by which they can be preserved. Also, we have the Presto brand pressure canner here too, which is way more affordable and does the job just as well as the All American. I recommend getting the gauges tested annually regardless of the brand you use.