Sayap Ayam Panggang Oven yang Benar-benar Renyah

Bahan-bahan (6 porsi)

• 4 lb / 2 kg chicken wings (, cut into wingettes and drumettes (Note 1))
• 5 teaspoons baking powder (NOT BAKING SODA / BI-CARB SODA!!)
• 3/4 teaspoon salt
• Oil spray