My husband got these at a whole foods store when we were in NM and asked me to make them for him. I really like how they turned out; almost like a fruit roll up.
Take a can of pineapple slices in juice and place them on a dehydrator sheet. I sprinkled mine with xylitol sweetener. Turn the dehydrator on to about 110 degrees and leave overnight or until desired texture. I think I left mine about 20 hours.