Brush potato wedges with a flavored oil before grilling with burgers.
Combine first 9 ingredients; shape into 4 patties.
Grill, covered with grill lid, over medium-high heat (350° to 400°) 5 to 6 minutes on each side or until beef is no longer pink. Place desired toppings on bottom half of rolls; add patties and roll tops. Serve with potato wedges.