1.In A Bowl, Combine The First Seven Ingredients. Crumble Beef Over Mixture Mix Well. Shape Into Eight Patties. Grill, Uncovered, Over Medium-Hot Heat For 5-7 Minutes On Each Side Or Until Juices Run Clear. 2.Top Each Patty With A Cheese Slice; Grill 1 Minute Longer Or Until Cheese Is Melted. Grill Rolls Cut Side Down For 1-2 Minutes Or Until Toasted. Top With Lettuce And Burgers.