Spicy Sweet Chili Wings

INGREDIENTS

12 whole chicken wings, parts separated, tips removed, and discarded

1/4 teaspoon salt

1/4 teaspoon ground black pepper

1/4 teaspoon dried red chili flakes, plus more for garnish

8 cloves garlic, minced

1 cup brown sugar

1 cup water

1/4 cup apple cider vinegar

1/4 cup soy sauce

2 tablespoon white wine vinegar

2 stalks green onion, thinly sliced for garnish