Wash and slice the peaches (discard pit)
Warm the vinegar, mirin, sugar, maple syrup, cinnamon, and nutmeg in a pan on the stove. Do not boil it, simply warm it so that the ingredients mix together and dissolve.
Put the star anise and ginger in a mason jar and add the peaches to it.
Pour the warm liquid into the jar
Let it sit for 1 week in the refrigerator before eating
Will keep for approximately 30 days in the refrigerator