Wash and slice apples into 1/8" slices using a knife or mandolin.
Place remaining ingredients for the pickled apples in a small pot and bring to a boil.
Allow liquid to cool down after a boil for 5 minutes and the pour hot liquid over apples that have been placed in a mason jar, or heat safe glass bowl.
Let the pickled apples come to room temperature and refrigerate. Apples are ready in an hour but best after 24 hours.