As perhaps the oldest form of food preservation, people have been dehydrating food for thousands of years. It is the easiest form of food preservation both in the sense of learning and in doing it. And it is the most compact, which is especially important when storage space is an issue.
It is also the most inexpensive way to preserve food. While a food dehydrator makes it easier, it’s definitely not essential. Individuals on a limited budget can even dehydrate food in a car or in the oven. No special equipment is necessary. There is no need for canning jars or lids, though they can indeed be quite helpful. In dry climates, food saver or freezer bags will work for packaging. If dehydrated foods are being stored in canning jars, canning lids can be re-used.
Handy individuals can build a dehydrator, but it is often less expensive to acquire used ones at thrift stores or garage sales. When I first began dehydrating many years ago, I often picked up the Nesco brand dehydrators for $2-3. They normally come with four trays, but you can stack on additional trays, up to twelve. There isn’t a thermostat control, and the trays have to be rotated to facilitate even drying. Excalibur dehydrators are more expensive and harder to find second-hand. They have the advantages of temperature control and flat trays so that making fruit rolls is easier. Trays can also be removed so that the dehydrator can be used for raising bread or culturing yogurt.
So what foods can be dehydrated? Honestly, just about everything. Fruits and vegetables are the most popular items, but jerky is also high on the list. Eggs and milk can also be successfully preserved in this manner. Cooked rice and pasta can be dehydrated for faster meal preparation in the future.
And finally, why exactly do people dehydrate food? Some do it to make just-add-water instant meals. This is especially popular among backpackers and campers, but these meals are also great for emergencies. Everything is already prepared. In a crisis, thinking is sometimes difficult. Having the food ready to go makes a difficult situation easier.
Another reason is to be able to store a lot of food very compactly. A bushel of peppers when dehydrated can fit into a quart jar. The same goes for nine bunches of celery. That’s a lot of food in a small space.
A third advantage is that the food is already prepared the way it’s needed. It just needs a little time to rehydrate. Zucchini can be sliced thin for soups, thick for making deep-fried zucchini, shredded for cakes and breads, or powdered and substituted for some of the flour in baking to increase nutrition. Pineapple can be prepared in strips, chunks, or fruit rolls.
Other fruits can be dried and powdered for adding to yogurt or smoothies. Tomato powder can be used to thicken soups or make a little bit of ketchup. Tomato or spinach powder can be added to the flour when making tortillas to color them. The possibilities are really endless.
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27 january 2024