Combine flour and all spices in a medium bowl. Whisk the egg in another bowl. Place breadcrumbs in another bowl.
Dip each chicken strip into flour batter, then the egg, and then the breadcrumbs, coating well. (using one hand for wet and one for dry).
Lay on a baking sheet covered with a silicone mat or parchment. Spray with baking spray, then bake for 20-24 minutes, or until cooked through, flipping once halfway.