Home freeze drying has a scientific term – Lyophilization. The process is complex, but the results are worthwhile. Freeze drying involves three steps, and it requires a special vacuum unit to complete the process. The first step is to freeze the food. The second is sublimation or drying of the food. The third step is. . . Read More
The post Should You Freeze Dry Your Own Food? Pros and Cons to Consider first appeared on Backdoor Survival.