In a jar with a lid combine all the ingredients. Give this a good shake and then tuck it away in your refrigerator for 3 days.
Strain the sauce so no large pieces remain. Use your homemade ponzu or store in an airtight refrigerator for up to two weeks or more.
Notes
You can mix lemons and limes for the citrus in this recipe.If you can’t find mirin, a few substitutes you can try are rice vinegar, sake, or dry sherry.Any glass jar with a lid can be used to steep and store this recipe.