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Jenny Mills, OffGrid Masterplan author

By Jenny Mills · rural nurse & homesteader · health, safety, law and the paperwork of going bush

“After losing a whole jar of jam to botulism, I learned that three minutes of boiling water isn't enough for Australian high-altitude jams.”

OffGrid Masterplan

— Jenny. Paperwork first, then the fun part.

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Off-Grid Food Preservation & Storage: Canning, Drying, Freezing, Root Cellars, Vacuum Sealing

Essential techniques for long-term food storage in off-grid living.

Canning

Canning works. Heat kills the bacteria, the jar seals, and the food keeps for months. Tomatoes, beans, corned beef—I've done all of them. It suits fruits, vegetables, and meats, but only when the acidity's right or you've pressure-canned the low-acid stuff properly. Cut corners on that and the bacteria win.

Putting Food By: The Five Methods I Use Off-Grid

Drying

Drying removes moisture from food to prevent spoilage. It's perfect for herbs, fruits, and meats.

Australian Suppliers & Products I Trust

Freezing

Freezing is a simple method to preserve food for extended periods. Use airtight containers or vacuum-sealed bags.

Brands Worth the Freight

Root Cellars

Built and used root cellars across two properties now. Spuds, carrots, and onions sit through winter with no fuss. The trick is soil temperature: keep it ten degrees or below and the rot stops, the shoots stay dormant. Let the earth do the cooling for you.

The Gear That's Earned Its Keep

Vacuum Sealing

Vacuum sealing removes air from packaging to extend shelf life and prevent freezer burn.

Australian-Made Preservation Gear

When to Call a Professional

While many off-grid projects are achievable as DIY, certain situations require licensed professionals:

Always check local regulations and obtain necessary permits before commencing work.

Worth a watch: No Power, No Problem! Food Preservation Unplugged · The Ready Life

It walks through a sand‑filled crate trick for keeping potatoes fresh months in a cool dark spot, directly backing the guide's root‑cellar advice, and also shows a simple barrel‑smoker build that gives you another low‑tech meat‑preservation option beyond canning and drying. — Jenny Mills