- Preheat oven to 375°F. Lightly coat a large baking dish with cooking spray. Cover bottom of the dish with a thin layer of salsa.
- In a large bowl, add chicken, onion, peppers, cumin & 1/2 of the cheese. Mix well.
- Arrange six tortilla halves over the salsa mixture, overlapping slightly. Top with 1/2 of chicken mixture & 1/3 of salsa, spreading evenly. Add six more tortilla halves & top with remaining chicken & 1/3 of salsa. Add six more tortilla halves & cover with remaining salsa & cheese, spreading evenly. Place jalapeños evenly on top.
- Cover with foil & bake 40 minutes. Serve topped with tomato & cilantro.