Drying & Jerky

Drying is almost certainly the very first preservation method humans ever used, and it’s still one of the simplest and safest. The whole idea is beautifully direct: take the water out, and nothing can grow. No microbe — not even botulism — can live without moisture. A strip of meat dried hard, an apple ring dried leathery, a bean dried to a rattle: all of them are safe for the same reason. Here’s how I do it, from ancient jerky to the dehydrator.

Why drying works

Microbes need water to live, and specifically they need available water — what food scientists call water activity. Dry a food below a certain point and there simply isn’t enough free water for bacteria, yeast, or mold to function. That’s the entire mechanism. It’s why jerky, dried fruit, and dried beans keep for months or years at room temperature with no refrigeration and no chemicals at all — just the absence of water.

The old ways understood this instinctively. Cut meat thin, hang it out of the sun with a few insect-repelling herbs, and let the air do the rest — that’s the ancient jerky on my Old Ways page, and it works today for exactly the reason it worked ten thousand years ago.

Jerky — dried meat done right

Jerky is my favorite thing to dry, and I make a lot of it. The modern approach improves on the ancient one in two ways: a cure/marinade with salt (and often a little cure #1 for safety on longer or lower-temperature dries), and controlled heat — a dehydrator, a low oven, or a smoker — instead of hoping the weather cooperates.

• Whole-muscle jerky: thin-sliced beef or venison, marinated and dried. Start with basic beef jerky and venison jerky, and branch into Dr Pepper–jalapeño, bulgogi, or miso.
• Ground jerky: ground meat pressed into strips — cheaper and tender. My lemon-pepper red curry, sweet, and pastrami-style versions.
• Poultry & fish: turkey jerky and salmon jerky both dry beautifully.
• Smoked jerky: dry it in the smoker and you get preservation and flavor at once — see smoked cured jerky and my Smoking pages.

My jerky marinade and jerky ingredient notes cover the seasonings and the safety margins.

⚠️ Safe jerky: for meat, the USDA recommendation is to heat it to 160°F (165°F for poultry) at some point — before or after drying — since a warm dehydrator alone may not reach a bacteria-killing temperature. A little cure #1 in the marinade adds a real safety margin. Dry until it’s firm and cracks but doesn’t snap.

Drying fruit & vegetables

The garden and orchard dry as well as the smokehouse. Dried fruit is candy that keeps, and dried vegetables rehydrate into soups and stews all winter:

• Fruit: Appalachian dried apple slices (a lunch-pail classic) and dried blackberries.
• Vegetables: leather britches — Appalachian dried green beans, a beautiful old mountain tradition of stringing beans to dry, and dried field corn.

Ways to dry

• Sun & air — the ancient way. Free, but slow and weather-dependent; best in hot, dry, breezy conditions, and traditionally helped along with insect-repelling herbs.
• Dehydrator — my everyday tool. Steady low heat and airflow, total control, great for jerky and fruit.
• Low oven — works in a pinch; prop the door for airflow and keep it low.
• Smoker — dry and flavor at the same time; the low, steady heat of an electric smoker is perfect for jerky.

Storing dried food

Dryness is only preserved if you keep the moisture out afterward. Cool the food completely, then store it airtight — jars or vacuum bags — in a cool, dark place. For long storage I toss in a desiccant pack and keep an eye out for any sign of moisture or mold. Properly dried and stored, jerky keeps a month or two at room temperature (much longer refrigerated or frozen), and dried fruit and vegetables keep the better part of a year.

Drying is preservation stripped to its essence — no special chemistry, no pressure canner, just patience and airflow. It’s where I’d tell anyone to begin, and it’s the thread that ties back to the very oldest methods of all.

When you’re ready to bring it all together safely, the Food Safety & the Law page is the one to read.