In a shallow bowl, combine the crumbs, sesame seeds, onion powder, salt, pepper and garlic powder. Pour buttermilk into another bowl. Pour chicken breast to 1/4-in. thickness. Dip in buttermilk, then dredge in crumb mixture. In an electric skillet, heat oil to 350°. Fry chicken for 3-4 minutes per side or until browned and juices run clear.