Tetsuya's Oysters with Japanese Dressing

Bahan-bahan (12 porsi)

• 1 tsp white sugar
• 1 1/2 tsp Japanese soy sauce ((substitute light soy, Note 1))
• 2 tbsp rice vinegar ((Note 2))
• 2 tsp mirin ((Note 3))
• 3 tbsp grapeseed or vegetable oil ((or other neutral oil))
• 2 tsp sesame oil (, toasted (Note 4))
• 1 1/2 tsp grated ginger
• 12 oysters ((Sydney Rock or Pacific, Note 5))
• 20 g / 2/3 oz (1 heaped tbsp) salmon roe (, for topping (optional, makes it extra special, Note 6))
• 2 tsp chives (, finely sliced)
• Rock salt (, crushed ice or leafy greens - for serving bed (Note 7))