Grill peppers 12 to 15 minutes and onion 15 to 20 minutes or until tender, turning once. Brush steaks and vegetables with reserved cheese mixture during last 10 minutes of grilling. Season steaks as desired. Serve with the vegetables. Rub garlic on beef.
Press peppercorns into beef.
Heat coals or gas grills. Sprinkle with salt and pepper. Place beef on warm platter. Serve with reserved barbecue sauce. Makes 4 servings.