1 Drain artichokes, reserving liquid. Chop artichokes and combine with roasted red pepper and basil in small bowl; cover and refrigerate.2 Combine reserved artichoke liquid and Dijon mustard in small bowl. Place beef steaks and mustard mixture in food-safe plastic bag; turn steaks to coat. Close bag securely and marinate in refrigerator 6 hours or as long as overnight.3 Remove steaks from marinade; discard marinade. Place steaks on grid over medium, ash-covered coals. Grill, uncovered, 19 to 23 minutes for medium rare (145°F) doneness, turning occasionally. (Do not overcook.)4 Carve steaks into thin slices. Season with salt and pepper, as desired. Serve with artichoke mixture.