Pulse cereals in the blender until the cereal is the consistency of fine crumbs, pour into a bowl. Combine flour, onion, garlic, and pepper in separate bowl. Beat eggs and mix with milk in the third bowl. Dredge breast tenders, first in milk mixture, then in flour mixture, and finally in cereal crumbs. Deep fry at 325 degrees for 3 - 4 minutes or until cooked thoroughly. Serve with Creole mustard.