- McCormick? Grill Mates? elevates your grilling masterpieces with the unique on-trend flavor of parmesan and black garlic. This 3-In-1 Seasoning Mix is all you need for epic flavor ? it?s an all-in-one marinade burger mix-in and rub ? use it your way on all that you?re grilling. Crafted with seasonings by the pro-grillers at Grill Mates our mix brings the rich flavor of aged black garlic and Parmesan cheese to grilled meats and vegetables. Whisk with oil and water to use as a steak marinade or chicken marinade.