Combine ground round and seasoning; shape into 4 (4-inch) patties.
Grill, covered with grill lid, over medium-high heat (350° to 400°) 5 to 6 minutes on each side or until no longer pink in center. Serve on buns with Black Olive Pesto and desired toppings.
Note: For testing purposes only, we used McCormick Grill Mates Hamburger Seasoning.
Olive Burgers: Add 1/4 cup Black Olive Pesto to ground round. Grill, covered with grill lid, over medium-high heat (350° to 400°) 5 to 6 minutes on each side or until no longer pink in center. Serve on buns with desired toppings.