A first attempt that worked out really well. 6 apples peeled, cored and chopped then simmered in as little water as I could get away with. I added a squirt of lemon juice and a spoon of sugar then puréed it all before simmering off as much liquid as possible. The paste then went into the dehydrator in a thin layer for 10 hours before being snipped into snack bites. Lasts well in a tin.