Preheat oven to 400 degrees.
Scrub sunchokes to remove any dirt.
Slice sunchokes very thin (about 1mm). Try to make uniform slices.
Toss sunchoke slices with olive oil or spray with olive oil mister.
Spread slices in single layer on foil-lined baking sheets.
Bake 15 minutes. After 15 minutes, check every few minutes, removing crisped slices as they are ready. Continue until all slices are brown and crisp.
Eat a few and make sure they don't bother your stomach before eating more!