Mix celery, carrots, bell peppers, and water chestnuts together in a microwave-safe bowl. Add sesame-ginger dressing and curry paste and toss to coat.

Cover vegetables and microwave on high until fork tender, about 4 minutes. Stir chicken into vegetables and microwave on high until chicken is heated through, about 2 minutes.

Place cabbage leaves in a microwave-save bowl and microwave until soft, about 1 minute. Spoon equal portions of vegetable mixture onto each cabbage leaf.