Slice the potatoes, very thin, using a slicer, so that the slices are even
Heat water, in a large container, large enough to take in the sliced potatoes
Add the salt and when the water comes to a boil, add the potatoes, keeping the heat high
When it comes to a boil again, drain the water and dry the potatoes in the sun till they turn crisp
Store in airtight containers and bake or fry them when needed