Heat oven to 375. Spray a lg baking sheet w/ cooking spray. Slice chicken into thin strips.
In a shallow bowl, mix milk and egg. In another shallow bowl, mix bread crumbs, sesame seeds, salt and pepper. Place flour in a separate bowl.
Coat chicken w/ flour. Dip chicken into egg mix, then coat w/ crumbs. Arrange chicken on baking sheet. Drizzle chicken w/ oil. Bake 20-25 mins, or until crispy. meanwhile, in bowl, mix together the mayonnaise, ketchup, mustard and soy sauce. Serve dipping sauce w/ chicken.