Heat gas or charcoal grill. Place beef on grill. Cover grill; cook beef over medium heat 15 to 20 minutes, turning once, until desired doneness. Sprinkle beef with salt and pepper; cut into 1/4-inch slices.
Meanwhile, loosely wrap frozen rolls in heavy-duty foil. Place on grill over direct heat. Grill about 6 minutes, turning packet every 2 minutes, until hot.
On 2 individual serving plates, place salad greens and vegetables; top with beef. Drizzle with dressing. Serve with rolls.