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Wednesday, June 19, 2013

Dehydration: How to do it and what to do with it. I'ts not just trail mix!


What’s another word for preservation? Why, dehydration of course! Dehydration is one of the easiest processes you can do to food to preserve it for a later use. It is also a trendy method of making low-fat vegetable chips (like kale and beet chips). So, I figured I’d take a little time to explore how to utilize this process and really optimize your kitchen to the fullest.

Dehydration is basically the removal of moisture from a product when hot air is passed over and around it. I would like to highlight that this is a dry cooking method, but a slow one. Most dry cooking methods (pan sear, sauté, roast, or grill) utilize high heat in order to create a crisp and brown texture on the product. This process is slow and with a low heat. When dehydrating, have your oven set at the lowest possible setting (usually between 150 and 170).

The dehydration process can take a few hours to complete; it really depends on the water content of the product and the size of the cut. The thinner the cut, the less water content, and the less time you have to wait. Keep this in mind as you explore different items and dehydrating.

The process is pretty simple. Lay your product out on a sheet tray (use a roasting rack or chemise rack for maximum results). Pop in the oven at lowest temperature. Wait until product is dry and crunchy throughout. That’s it! I can’t really comment or provide a chart on say how long it takes to dehydrate a banana, kale, or a mushroom; for, it really is variable (water content, slice thickness, elevation, and humidity all play a role here). I would suggest to simply dehydrate often, and then you will find exactly what it is that you are looking for.

Below I have included some ways to utilize dehydration. Hopefully this list will help you think about it differently and how you can utilize a large bulk of items and save them for later use. Enjoy!

Herbs – if you grow your own “herbies” then dehydration is a great option for you! Simply take your excess product each week and dehydrate it in the oven. Store in glass containers or bag them and store in the freezer until further needed. This can really allow you to get the most out of your herb plants by constantly trimming and harvesting them during the summer season. Then you know when winter comes around that you have some local quality dried herbs just begging to be used.

Chips – I use this term loosely because apparently anything tossed in oil and hit with salt and pepper, sliced thin and roasted until crispy is a chip…. Whatever. If you slice something thin, like on a mandolin or slicer, you can coat it in oil, add salt and pepper to taste and roast in the oven on your lowest setting until it becomes crispy.

This is a great alternative to any bagged chips you can get in the store. However, they can be time consuming in the fact that you have to wait for them to be done. But, you get to control any spices and seasoning you put on it. I’d suggest fresh cracked pepper and sea salt personally. Jazz it up with smoked paprika or ginger. Take it to a whole ‘nother level and throw some seafood seasoning on there or your favorite seasonings blend. Whatever floats your boat will work.

Flavor concentration – partial dehydration (or slow roasting ) is a great way of concentrating flavor. With the absence of moisture, the flavor and fibrous structure is the only thing that remains. Think tomatoes, mushrooms, beets, those sorts of things. The more flavor in the beginning, the more at the end. This is also a great way to make less flavorful items (such as crappy tomatoes) taste a lot better.

Take it a step further and utilize these items in sauces, vinaigrettes, soups, salads, and garnishes. Think about a fantastical tomato sauce, or a red pepper vinaigrette. Take any dehydrated item and throw it into a soup, just for funsies! The possibilities are truly endless.

Trail mix – this is probably the most obvious utilization of dehydration. Use seasonal fruits, dark-leafy greens, or anything that tickles your fancy. Combine with nuts and chocolate to make an amazing concoction.

Add to baked products – be it bread, scones, muffins, or even pizza; these flavor packed products are a great addition to any baked dish. I’d even venture to say you could create your own personal baked brie cheese in savory and sweet varieties. Also think along the lines of cherry pound cake, blueberry scones, or raisin bread. Maybe even chutney would work well here.

Jerky – this is the same process applied to slices of meat. I haven’t ventured into this aspect much in my career. But, from what I understand, you’re looking at a ¼” cut that’s marinated overnight, rinsed, then dehydrated. You can add spices or rubs to these products to enhance the flavoring. Thin sausages can be utilized here as well (if you have a sausage maker).

Noms – I don’t know about you, but I love to snack on little things here and there. Usually I want something sweet or salty, but always crunchy – American munchies are killer sometimes. Dehydration creates the crunchiest texture I have ever experienced! So dehydrate some sweet, dehydrate some salty, do whatever – make it sexy. These are great little snacks that you can just grab-and-go with. 

Whatever your desire is, prepare it this way and it keeps for a very long time. 

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