Homemade Air-Fried Buttermilk Chicken

Ingredients

• 2.2 pounds (1 kg) skinless, boneless chicken thighs
• 1 cup (250 ml) buttermilk
• 1/3 cup (35 g) tapioca flour
• 1 teaspoon (2 g) chili powder
• 1/2 teaspoon (1 g) paprika
• 1/4 teaspoon (0.5 g) freshly ground black pepper
• 1 (2 oz or 60 g) whole egg
• 1/2 cup (60 g) all-purpose flour
• 1 1/2 teaspoons (7.5 g) white sugar
• 1 teaspoon (5 g) salt
• 1 teaspoon (2 g) onion powder
• 1/2 teaspoon (1 g) dried rosemary
• 1/2 teaspoon (1 g) dried thyme
• vegetable oil spray