Crispy air fryer fried chicken breast: Easy & Healthier!

Ingredients

• 4 boneless, skinless chicken breasts (about 6 oz / 170g each), pounded to ½-inch thickness
• 4 cups / 950ml cold water
• 1/4 cup / 60g kosher salt (like Diamond Crystal)
• 1/4 cup / 50g granulated sugar
• 1 tablespoon / 8g garlic powder
• 1 teaspoon / 2g black pepper
• 1 teaspoon / 2g paprika
• 1 cup / 120g all-purpose flour
• 1/2 cup / 60g cornstarch
• 1 teaspoon / 5ml baking powder
• 1 teaspoon / 5ml salt
• 1/2 teaspoon / 2.5ml black pepper
• 1 teaspoon / 5ml paprika
• 1 teaspoon / 5ml garlic powder
• 1 teaspoon / 5ml onion powder
• 1/2 teaspoon / 2.5ml cayenne pepper (optional, for a bit of a kick)
• 2 large eggs, beaten
• 1/4 cup / 60ml milk
• 2 tablespoons / 30ml neutral oil (like vegetable, canola, or avocado)