![]() ![]() Trader joes sells packs of freeze-dried food right alongside their dehydrated banana chips and raisins. Who needs freeze-dried food besides actual astronauts?įast forward a few decades later, and freeze-dried food is incredibly popular with regular home cooks, and parents are tossing handfuls of freeze-dried fruit into their kid’s lunches as a special treat. Everyone got a kick out of it, and though it was tasty, no one took it seriously. (Though if 2020 taught us anything, it’s that having emergency food on hand isn’t a bad idea.)īelieve it or not, most people that buy freeze-dried food at the store are just using it for everyday meals…because it’s tasty.Ī few decades ago, freeze-dried food was only sold as a novelty, and I remember my parents buying me freeze-dried astronaut ice cream at a ball game as a kid. Contrary to what you might assume, most people don’t use it as lightweight camping food, and most average suburbanites aren’t hoarding it in back closets. I’ll walk you through all the options for freeze-drying food at home and the pros and cons of each method.įreeze-dried food is making its way into more grocery stores and home pantries than ever. There are a few different ways to freeze dry food at home, both with and without a freeze-drying machine. If your machine is a commercial model, the pump may need to be serviced after 20 runs.Freeze drying food seems like space-age technology, but the practice of freeze-drying food actually predates electricity. Changing the oil of the vacuum pump is a relatively simple process. After five runs, it is advisable to replace the oil. But to keep the vegetable freeze dryer working efficiently, the oil needs to be changed. The part of the machine that needs some maintenance is the vacuum pump. ![]() Normally, a cheap freeze dryer does not require constant maintenance. The more efficient machines will reduce the cost of energy used for the process. Some machines take longer or less time depending on their efficiency. Most freeze dryers for home use take about 24 hours to freeze-dry a batch of food. Other factors to consider while shopping for a freeze dryer include the efficiency of the machine and its power consumption. The medium size can dry up to 10 pounds of fresh food at a time, while the large commercial freeze dryer can dry up to 16 pounds of fresh food in a single batch. Small freeze dryers can dry a batch of fresh food that weighs 6 pounds or less. Freeze dryers come in three categories - small, medium, and large. Select the freeze-drying food machine with sufficient capacity to process food for your home or commercial needs. Which Type of Freeze Dryer is Suitable for You? The food may be placed in a vacuum-sealed container to ensure freshness. After the food is completely dry, the machine gives an audible beep. The vacuum warms the food gradually and removes water from the food by turning ice into vapor. Then the machine makes a vacuum in its food chamber. After placing the food in the freeze dryer, the machine freezes the food to about -40 degrees Fahrenheit. In most cases, home freeze dryer machines work automatically without a lot of manual work or human input. Home freeze dryers can preserve almost any type of food, including vegetables, fruits, herbs, lean meat, and dairy. Freeze drying is a healthy way to preserve food because it can retain about 97% of the initial nutritional value. They turn food into tasty, crunchy food which can be rehydrated later. Freeze dryer machines are available for commercial and home use. A freezer dryer is a machine that takes out all the water from a product by converting it from ice to vapor. ![]()
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