cut out the cores of the apples

(optional) peel the apples

cut the apples to thin slices by a regular knife or a mandolin slicer

put a baking paper on the pan and place the apple slices. 4 medium apples take 2 pans

preheat oven at 110° C

pour the cinnamon mixture on the apple slices

put the pans into oven for 1 hour

after 1 hour in the oven, turn the slices upside down and leave for another hour

turn off the oven and let the apples stay there overnight. that's when they become dry and crisp

enjoy!