1.Mix ground beef, onion, seasoned pepper, seasoned salt and Worcestershire sauce in medium bowl until well blended. Shape into 4 patties.
2.Grill over medium heat 4 to 6 minutes per side or until burgers are cooked through (internal temperature of 160°F). If desired, add cheese slices to burgers 1 minute before cooking is completed. Toast rolls on the grill, open-side down, about 30 seconds or until golden.
3.Serve burgers on toasted rolls with bacon slices, if desired. Garnish with desired toppings and condiments.