This page shows how to dehydrate vegetables.
Dehydrating vegetables will make your trail and emergency meals nutritious and colorful. Sometimes I use one vegetable in a backpacking meal, but most of the time I combine several of them.
Tuna Mac Casserole tastes just as good with a medley of dried corn, carrots, and green beans, as it does with just peas or diced tomatoes and mushrooms.
Dried tomatoes, onions, and peppers go well together in meals like Mexican Beef & Rice.
For ideas on how to use dehydrated vegetables in meals, see the Dinner Recipes page.
Above: Dehydrating Vegetables for Sides. Each 3 x 5 inch bag holds 1/2 cup which I heat and rehydrate to go with the main meal. L to R: Broccoli & Onions with Black-eyed Peas, Corn, Peas, Ratatouille.
Cooking vegetables in a stew is another method of dehydrating vegetables. My Ratatouille recipe includes eggplant, onions, peppers, zucchini and tomatoes. I serve it as a side or as a main meal with rice. When dried, the color will be darker.
Dehydrating Vegetables – Ratatouille.
The drying times listed below are based on my experiences using an Excalibur Food Dehydrator. Dehydrating vegetables may take more or less time with other dehydrators because designs and wattage differ by manufacturer.
Humidity also affects drying times so your results may differ from mine depending on the time of year or where you live.
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Dehydrated sweet or white potatoes are a little too hard to snack on. They are chewy when rehydrated in meals but soften with longer simmer times or in soup that cooks for a while.
Peel potatoes (optional) and cut longwise into halves for small potatoes or quarters for large potatoes. Slice crosswise ⅛ of an inch thick like scalloped potatoes or dice into ⅜inch cubes.
Steam or boil for ten minutes. Allow to cool and place on dehydrator
tray in single layer. Apply salt if desired. Dry at 125° for six to
eight hours. Potatoes will be hard when dry.
Enhanced flavor variation: After cooking, soak sliced potatoes in balsamic vinegar and salt for ten minutes before drying.
Dehydrating Mashed Potatoes: Learn how to turn mashed potatoes into potato bark.
Wash tomatoes to remove pesticides. Cut out the hard spot where the tomato was attached to the stem. There is no need to remove the seeds since the gel-like substance around the seeds has health benefits.
Slice tomatoes four or five times across and then dice the slices into pieces. Shoot for about a ½ inch square, but you will have plenty of variance from the target size.
Spread out in a single layer on dehydrator trays covered with non-stick sheets. Include the juices to maximize the nutritional value. Shake a little salt on the tomatoes if desired. Dehydrate tomatoes at 135° for approximately eight to ten hours until dry and leathery.
Dried tomatoes are bendable, not brittle. You can start out at 145° for the first two hours to speed things up. Stirring the tomatoes every few hours helps to dry them evenly and will shorten the drying time.
Cherry tomatoes can be cut into ⅛ inch thick slices using a sharp knife. Dehydrate the same as diced tomatoes. Since sliced cherry tomatoes maintain a fairly uniform size and don’t drip too much after the initial cut, you can dry them faster without a non-stick sheet. However, tomatoes may stick to some dehydrator trays so you may elect to use a non-stick sheet.
You can also quarter cherry tomatoes and dry with the skin side down, but be careful that the inside is fully dried before storing.
San Marzano tomatoes, with their oblong shape and meaty texture, are ideal for drying in halves. Each tomato half can be seasoned for outstanding taste. The end product is intensly flavored tomato jerky, which makes a great snack. The dried halves can easily be cut into smaller pieces to use in meals.
Read more here: Dehydrating Tomatoes
Take advantage of the color possibilities of peppers to brighten your meals. Wash and cut peppers into ½” pieces, trimming away the white fleshy part on the inside.
Place cut peppers on dehydrator tray in single layer with the skin side down and dehydrate at 125° for approximately six to eight hours.
Wash peppers and cut into rings crosswise. The fleshy inside part and seeds can be removed or included for more heat. Dry in a single later at 125° for approximately six hours.
Use with caution as the heat concentrates in the dried pepper. Use two to three slices per serving in meals where you want some heat.
Peel off outer layer and dice onions into pieces about a ½ inch long. Separate any layers stuck together and spread out in a single layer on dehydrator tray and dehydrate at 145° for two hours. Reduce to 135° for six to eight more hours or until pliable. Move the onions around every couple of hours to speed up drying.
Onions may stick to trays when drying. Using non-stick sheets or parchment paper may help if you have this problem with your dehydrator, but try to dry onions directly on the mesh trays. Onions smell pretty strong when drying, so you might want to open a window.
Baby bella or small white mushrooms are good sizes to dry. Wash the dirt off in cold water, cut off the ends if hard or brown, and cut mushrooms into ⅛ inch thick slices.
Place on the dehydrator tray in a single layer and dehydrate at 125° for six to eight hours until dry and leathery.
Mushrooms absorb flavors well. To make savory mushrooms, heat 1 cup of water with a ½ cube of beef or vegetable bouillon in a pan. Bring to a boil and then remove from heat. Add one pound of sliced mushrooms to the broth and stir around for a few minutes. Savory mushrooms take about an hour longer to dry than uncooked mushrooms.
Wash zucchini and remove any dark spots on the skin. It is not necessary to peel zucchini before drying. Zucchini is tasty in a meal combined with tomatoes, mushrooms and onions. For use in meals, cut zucchini into ⅛ inch thick slices and then cut the slices into quarters. Skip the quartering if drying zucchini into chips for snacking. Dehydrate at 135° for approximately eight hours.
Dried cucumber chips are fair for snacking. If cucumbers have a thick waxy coating, peel first and then cut into ⅛ inch thick slices. If the cucumbers have large seeds, consider cutting the cucumbers in half longwise, scraping out the seeds, and then slicing the halves. Arrange in a single layer and sprinkle with salt if desired. Dehydrate at 135° for approximately eight hours if you want them crispy like a chip or at 125° for six hours if you want them chewy.
Dried spinach tastes great in pasta or rice meals with tomato or cheddar cheese sauce. It combines well with beans and lends a nice flavor to soups and scrambled eggs. Choose fresh spinach without any dark mushy spots. Wash leaves and pat dry with paper towels. There is no need to trim the stems.
Spinach leaves take up a lot of space on the dehydrator tray, so start off with the spinach doubled up in two layers. Dehydrate at 125° for approximately four hours. After two hours the leaves will have shrunk enough to spread them out in a single layer. Place a mesh sheet over the spinach leaves when they are half dry because they may start blowing around.
Carrots, green beans, and broccoli, hold a darker color if they are steamed before drying. They rehydrate well in trail meals with minimal heating, and they make the meals more festive.
Photo above, Dehydrated carrots rehydrated in lentil stew.
The stick cut: Peel carrots and cut into 1½ - 2 inch long pieces (4 - 5 cm). Turn each cut carrot piece so that a cut end is facing up. Make two to four slices down the carrot, depending on carrot thickness, then rotate the carrot a quarter-turn, holding the first slices together, and slice down again two to four times. It’s not hard once you get the hang of it.
Carrots may alternatively be cut crosswise into ⅛-inch thick coin shapes.
Steam cut carrots for five minutes. Steamed carrots hold a darker orange color after dehydration compared to carrots that are dried raw.
Once carrots are cool enough to handle, spread directly on mesh sheet of dehydrator tray.
Dry at 125°F (51° C) to 135° F (60° C). Estimated drying time: 6 – 10 hours. Dried carrots will still be pliable like leather.
Dehydrating vegetables is very efficient with an Excalibur Dehydrator. You can fit more dried vegetables on each tray.
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Pick or purchase green beans that are not too fat and fibrous. Wash and dry green beans. Cut off the ends and cut beans into ½ inch to 1 inch lengths. Steam for five to eight minutes before drying. Spread in a single layer on dehydrator tray and dry at 125° for approximately eight hours. Dried green beans will be hard. If drying frozen green beans, you will find that French-cut green beans rehydrate faster and are less chewy in a meal than regular-cut green beans.
Soak broccoli for ten minutes in salt water and rinse to remove any insect eggs and grit. Cut the florets into smaller ½” bouquets. The stalk may also be dried. Cut half of an inch off the bottom and peel and discard the outer layer of the stalk. Cut the stalk crosswise into three sections about an inch to an inch and a half long. Turn each section on its end and cut down into four or five rows. Rotate a quarter turn and repeat so you end up with rectangular strips. Steam the broccoli for five minutes to bring out the dark green color of the florets. Place some parchment paper or a non-stick sheet on the bottom tray to catch any dried pieces of the florets that may fall through. Dehydrate at 125° for approximately eight hours. Dehydrated broccoli and cauliflower will be brittle when done.
Frozen vegetables are available year round and save time in the kitchen because they require little or no trimming before drying. Frozen mixed vegetables, corn, peas, French-cut green beans and okra all dry well.
Thaw and spread in a single layer on dehydrator tray and dry at 125° for approximately six to eight hours. Pre-cook only if your trail cooking method doesn’t maintain a boil for at least a minute, although corn is always better if you pre-cook it.
Tips for Drying Frozen Vegetables:
Canned vegetables are generally soft from sitting in salted water. You will get better results and retain more nutrients dehydrating vegetables that are fresh or frozen.
I make an exception for beets. Beets are the one root vegetable that is easier to dry from the can than fresh since it takes a long time to cook fresh beets. Of course, if you have the time, go for the fresh beets.
Choose sliced beets for even drying. Cut any large slices into halves or quarters so that all slices are about the same size. Spread in a single layer on dehydrator trays and dry at 135° for eight to ten hours.
Dried sauerkraut adds a nice little zing to backpacking meals and goes well with ramen noodles. It can even be snacked on dry. Drain liquid and spread out on dehydrator tray. Dry at 125° for approximately four to six hours until crispy. Stir once or twice.
Beans are actually legumes, but I'm tacking them on here with the vegetables.
Drying canned beans saves time compared to cooking the beans yourself and produces beans that rehydrate well in meals. Home cooked dried beans stay hard and don’t rehydrate as well as canned beans. The pressure cooking method used to cook canned beans makes them rehydrate better.
Drain beans and place directly on dehydrator tray. Consider rinsing first if the liquid seems syrupy. Dehydrate at 125° for six to eight hours. Dried canned beans usually split open. This helps with rehydration.
Above L-R: Cheddar Herb Chicken with Green Beans, Beef & Broccoli with Rice, Tuna Casserole with Tomatoes
In my book, Recipes for Adventure, I devote a whole section to dehydrating vegetables which includes the dried yields for all vegetables used in the recipes. It will help you estimate how many cups of dried spinach you will get from one pound of raw spinach.
The recipes in the book suggest my favorite combinations of vegetables to use, but allow you to substitute whatever vegetables you like.
Testimonial: "I love how this book covers the pieces of the recipes and then how to put them together for meals. Great book for planning and learning how to concoct meals from your dried goods." -Jason
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