Grilled Little Neck Clams

Bahan-bahan (1 porsi)

• 2 g iant little neck clams
• ½ g reen onion/scallion ((chopped))
• 1 Tbsp unsalted butter ((cut into small cubes))
• sea salt ((for mounting))
• 1 Tbsp soy sauce
• 1 Tbsp sake
• ½ Tbsp mirin