Slice the chicken breast into ½ inch thick strips, then each strip into 3 bite-size pieces. Place chicken in a bowl.
In a small bowl, mix together the seasoning: salt, pepper, paprika, onion and garlic powders, Italian seasoning.
Pour 1 tablespoon of oil over chicken and sprinkle half of the seasoning mix. Stir with a spoon until each piece is seasoned.
Chop vegetables and place in a bowl. Toss with remaining oil and seasoning.
Combine chicken and vegetables.
Preheat air fryer to 400° for 3 minutes.
Arrange chicken and veggies in the air fryer basket.
Cook for 5 minutes, shake the basket and cook for 4 to 5 minutes more.
Serve garnished with crushed red pepper flakes and parsley.