Sprinkle beef with steak seasoning. Alternately thread the beef, red pepper, bread cubes and onion onto 4 metal or soaked wooden skewers; brush with oil. , Grill, covered, over medium heat for 8-10 minutes or until meat reaches desired doneness, turning occasionally. For medium-rare, a thermometer should read 135°; medium, 140°; medium-well, 145°. Top with cheese; grill 1-2 minutes longer or until cheese is melted., In a small bowl, combine coleslaw and walnuts. Serve with kabobs.