Slice the rolls into 5mm slices and spread onto trays

Put slices on trays, spray with oil, sprinkle with salt and sesame seed mix or other spices or seeds
Spray with oil, sprinkle with salt and sesame seed mix.
Turn on the oven, set at 120°C. Cook for 15 minutes.
They won’t be totally crisp at 15 minutes but remove them from the oven and let cool on the tray. They will finish going crisp.
Leave them too long and they are too crisp.
When cool pack in airtight bags.
Needs to be airtight – I was vacuum sealing but really only needs to stop air getting in so a zip lock bag is fine.
Lasts months, never had a problem.
Can always recrisp if necessary.