How To Make Dry Konjac Noodles with A Food Dehydrator? Konjac noodles, also known as shirataki noodles, are a popular low-carb and low-calorie alternative to traditional noodles. They are made from the root of the konjac plant and are often used in Asian cuisine. One of the most effective ways to preserve and enhance the shelf life of konjac noodles is