Acar Kulit Semangka

Bahan-bahan (6 porsi)

• ¼ watermelon ((roughly a 6-lb watermelon))
• 4 Tbsp rice vinegar (unseasoned)
• 4 Tbsp sugar
• 2 Tbsp soy sauce
• 1 Tbsp toasted sesame oil
• 1 Tbsp toasted white sesame seeds ((optional; skipped for the video tutorial))
• ginger ((a few strips; optional))