Ume Plum Syrup

Bahan-bahan (1 porsi)

• 2.2 lbs green ume plums
• 2.2 lbs white rock sugar ((rock sugar is essential to slowly extract the ume essence; do not use granulated sugar))
• 2 Tbsp shochu ((or other distilled alcohol to sterilize the glass fermentation jar; use more as needed))