Preheat your oven to 250 F.

Line a large baking sheet with foil.

Lightly spray a wire rack with non-stick spray and place on the baking sheet.

Pat the wings dry and place into a large bowl.

Combine the baking powder and black pepper. Sprinkle half of the mixture over the wings. Using your hands, mix and coat the wings.

Sprinkle the wings with the remaining baking powder mixture and again mix and coat using your hands.

Transfer the wings to the baking rack.

Bake on the lowest rack in the oven for 30 minutes.

Turn the oven temperature up to 425 F and move the baking sheet to the top rack in your oven. Bake for 15 minutes.

Using a tong, flip the wings and bake another 15 minutes.

Serve.