01 - Preheat oven to 425°F. Line a rimmed baking sheet with parchment paper or set a wire rack inside it.
02 - Pat chicken wings thoroughly dry with paper towels. In a large bowl, toss wings with baking powder, salt, and black pepper until evenly coated on all sides.
03 - Arrange seasoned wings in a single layer on the prepared baking sheet, leaving space between each piece. Bake for 40–45 minutes, flipping once halfway through, until deeply golden and skin is crisp.
04 - While wings bake, combine soy sauce, honey, brown sugar, rice vinegar, grated ginger, minced garlic, and sesame oil in a small saucepan. Bring to a gentle simmer over medium heat, stirring occasionally.
05 - Whisk cornstarch and cold water together in a small bowl until smooth. Pour the slurry into the simmering sauce while stirring constantly. Cook for 1–2 minutes until glossy and thickened. Remove from heat.
06 - Transfer baked wings to a large bowl. Pour the warm teriyaki sauce over the wings and toss vigorously until every piece is evenly coated in the sticky glaze.
07 - Arrange glazed wings on a serving platter. Sprinkle with sesame seeds and sliced green onions. Serve immediately while hot and crisp.