Wash and blot dry 2.5 lbs. of chicken wings. Set aside.
In a gallon Ziploc bag add all the dry ingredients for the breading. Flour, chili powder, paprika, ground mustard, sesame seeds, onion powder, garlic powder, salt, black pepper, cornstarch. mix it well and set aside.
In a large bowl combine the egg, Greek yogurt, and wing breading sauce seasonings. Black pepper, chili powder, salt. Mix well.
Add the chicken wings to the breading sauce and stir until they are completely coated.
Transfer the wings into the Ziploc bag with the dry ingredients. Seal the bag closed but leave lots of air in the bag so the wings have room to move around. Shake the bag for a few minutes until the wings are all covered in the flour mixture.
Taking a baking sheet and line it with foil. Then lay a baking rack down and oil or cover with nonstick spray so the chicken doesn't stick.
Lay the chicken on the rack and bake at 325 for 45-50 minutes.