Preheat grill to medium high. Spray chicken with olive oil spray and roll in Mrs. Dash® Chicken Grilling Blend until well coated. Cook on grill for 5 minutes, turn and cook for another 5 minutes or until juices run clear when pierced. Remove from grill and cool; cut into short strips and set aside. Combine Mrs. Dash® Garlic and Herb Seasoning Blend with olive oil and mayonnaise, add lettuce and toss. Place chicken and croutons on lettuce. Garnish with Parmesan cheese.