scallion meatballs with soy-ginger glaze

INGREDIENTS

• 1/2 cup dark brown sugar
• 1/2 cup water
• 1/2 cup soy sauce, preferably Japanese or reduced sodium
• 1/2 cup mirin (sweet rice wine), or 1/2 cup sake with 1/4 cup sugar
• 1/4 cup peeled, chopped ginger (I used half and it tasted like plenty to me; adjust to your preference)
• 1 teaspoon ground coriander
• 4 whole black peppercorns (no, I did not count how many I put in there)
• 1 pound ground turkey
• 4 large or 6 small scallions, finely chopped
• Half bunch cilantro, finely chopped (about 1/2 cup) (the cilantro-averse can use flat-leaf parsley)
• 1 large egg
• 2 tablespoons sesame oil, toasted if you can find it
• 2 tablespoons soy sauce
• Freshly ground black pepper
• Vegetable oil