Drying food at home turns bulky, heavy ingredients into light, compact meals that last in your pack, which is the core idea behind camping vs backpacking gear choices. It can also save money compared with buying ready-made freeze-dried dinners, and you get to cook what you actually like. This guide covers the main methods, what works, and how to store and rehydrate your food.
Why dry your own backpacking food
- Lower weight. Most of the weight in fresh food is water. Removing it makes meals lighter and smaller.
- Lower cost. Once you own a dehydrator, or use your oven, ingredients are often cheaper than packaged meals (more savings in camping on a budget).
- Better flavour and control. You choose the ingredients, salt, spice and portion size, which helps with dietary needs.
- Fast camp cooking. Dried meals only need hot water and a little time.
For a wider view of trip meals, see our hiking and camping food guide.
Ways to dry food
Food dehydrator. The most reliable option, because it has a fan and a heating element that hold a steady low temperature.
Oven. Many ovens can be set low and left with the door slightly open for airflow. Ovens usually dry less evenly and use more energy, and many do not go as low as a dehydrator. It works for small batches. Our guide on dehydrating vegetables for camping includes an oven walkthrough.
Sun or air drying. Possible in hot, dry, low-humidity climates, but harder to control and not usually recommended for beginners, especially for meat.
Freeze-drying. This is a different process that uses a home freeze-dryer machine, which is expensive. Many online guides say “freeze-dried” when they really mean “dehydrated.” Dehydrated food is usually chewier or harder, and freeze-dried food is lighter and rehydrates faster. If you are starting out, a dehydrator is the more practical choice.
Choosing a dehydrator
If you are shopping, a few features matter more than brand names.
- Adjustable temperature. Different foods dry best at different settings.
- Fan at the back or top. Reviewers often prefer this to a bottom fan, which can get dripped on and is harder to clean.
- Enough tray space for your batch sizes, ideally with solid sheets for sauces, purées and fruit leather.
- Easy-to-clean trays.
Budget models can work well for most backpackers. Larger, more expensive models make sense if you plan to dry a lot of food. Check recent independent reviews for current models and prices.
What dries well and what does not
Dries well: most vegetables, fruit, cooked rice, cooked pasta, cooked beans and lentils, lean cooked ground meat, tomato sauce, and fully cooked chili or stew with little fat.
Dries poorly: foods high in fat, such as oils, butter, cheese, heavy cream and fatty meats. Fat can turn rancid and shorten how long the food keeps. Add olive oil, powdered butter or ghee at camp instead.
Other cautions:
- Whole eggs and dairy dry poorly in a home setup unless you follow a trusted method.
- Foods with lots of nuts or oils do not store as well once dried.
Drying whole meals
Two common approaches are:
- Dry the ingredients separately and combine them at the end.
- Cook a meal, then dry it. Many people find the flavours blend better this way.
For the second approach:
- Keep the recipe lean, using lean meat and little oil.
- Cook it fully and cut large pieces small.
- Spread it in a thin, even layer on trays.
- Break it up as it dries, so the middle does not stay damp.
Chili, lentil stew, pasta with marinara and rice with beans are common first projects.
Using canned and frozen foods
If you ask whether you can dehydrate canned vegetables, the answer is generally yes. Drain and rinse them, spread them out and dry them. They are already cooked, so they dry quickly. Frozen vegetables are another shortcut since most are already blanched. Canned chili, soups and tuna are also used by some backpackers, but watch fat content and be careful with anything containing meat or fish. Follow a trusted, tested source.
Temperature and drying time
Many guides suggest a range of about 125 to 145 F (about 52 to 63 C), with the higher end for meat and the lower end for fruit and herbs. Check your dehydrator’s manual and a reliable food-preservation source, because meat in particular needs care: US food-safety guidance generally calls for heating meat to a safe internal temperature (about 160°F or 71°C for beef, 165°F or 74°C for poultry) before or during drying.
Drying time varies from a few hours to a day or more depending on the food, thickness, humidity and machine. Treat times as rough estimates and test the food instead.
Checking dryness
Cool a piece first, since warm food can seem softer than it is. Dried vegetables should be brittle or hard, with no soft spots. Fruit can be leathery but should not feel wet inside. If you are unsure, dry it longer.
Storing dried food
- Let food cool completely before packing, to prevent condensation.
- Use airtight containers or freezer bags, and press out air.
- Store in a cool, dark, dry place.
- Oxygen absorbers can help for long-term storage, and some people store in vacuum bags or Mylar.
- Label each bag with the contents, date and water to add.
- Eat food within a reasonable time, and throw away anything that smells off, looks mouldy or feels damp.
Rehydrating on the trail
Add hot or cold water to a pot or bag, stir, cover and wait. Thin pieces rehydrate quickly. Hot water is faster. Start with a small amount of water, then add more if the food looks dry. Insulating a pot with a cozy helps save fuel. Paddlers can use the same meals; see packing a canoe for camping for storing food dry. Test this at home before the trip so you know your ratios.
Food safety notes
Home-dried food has no commercial testing, so follow trusted guidance. Wash your hands and equipment, use fresh ingredients, cook meat thoroughly, and store the finished food dry. If you are preparing food for people with health vulnerabilities, or you are unsure, check a reputable food-safety resource.
FAQ
What is the best budget food dehydrator?
There is no single answer. Look for adjustable temperature, a back or top fan and enough trays, and check recent reviews.
What foods cannot be freeze-dried or dehydrated well?
High-fat foods are the main problem, along with some dairy products. Pure fats such as oil and butter do not dry.
How do I make dried meals for backpacking?
Cook a lean meal, spread it thinly on trays, dry until brittle, store it airtight, and add hot water on the trail. Our hiking and camping food guide has ideas for meals to try.