https://www.bing.com/search?q=inca+freeze+dried+food&qs=AS&pq=inca+freeze+dr&sc=2-14&cvid=5B00B8681BF248E8A85E9EE12661014A&FORM=QBLH&sp=1
Thanks
Some of the northern tribes used that technique as well. It was a way of providing meats or fish that were transportable
It is nothing like modern freeze drying