1. Preheat grill to 300° to 350° (medium) heat. Sprinkle zucchini and chicken with seasoning.
2. Grill zucchini and chicken at the same time, covered with grill lid. Grill zucchini 6 to 8 minutes on each side or until tender. Grill chicken 5 to 6 minutes on each side or until done. Remove from grill; let stand 10 minutes.
3. Meanwhile, prepare tortellini according to package directions.
4. Coarsely chop chicken and zucchini. Toss tortellini with pesto, tomatoes, chicken, and zucchini. Serve immediately. Garnish, if desired.
Note: We tested with McCormick Italian Herb Seasoning Grinder.