1 December 2017 Soup 1 December 2017 Soup Soup was made in a double boiler from vegetables dehydrated and powdered and stored in a vacuum pack also jars, when they were in season. The dehydrated produce keeps for long periods at room temperature, and retain most of their nutrients. It is a convenient method of storing in a small space. They are reconstituted quickly in water in the double boiler without burning, making a nourishing soup.
