Combine first 7 ingredients in a shallow dish or large heavy-duty zip-top plastic bag; add steaks. Cover or seal, and chill 8 hours, turning occasionally.
Remove steaks and bell pepper strips from marinade, discarding marinade. Place bell pepper strips in a grill basket.
Grill steaks and bell pepper strips, covered with grill lid, over high heat (400° to 500°) 8 minutes on each side or to desired degree of doneness. Cut 1 steak diagonally across the grain into thin strips. Cover and chill remaining steak for Beef Salad Nicçoise. Serve sliced steak and bell pepper strips with Tomato-Cheese Bread.
