Sayap Ayam Panggang Saus Tiram

Bahan-bahan (6 porsi)

• 3 1/2 pounds sayap ayam ((flat dan drumet) )
• 2 teaspoons garam
• 1 teaspoon ground black pepper ((finely ground))
• 1 teaspoon ground white pepper ((finely ground))
• 1 teaspoon bubuk bawang putih
• 3 tablespoons saus tiram
• 1 teaspoon sesame oil