Preheat oven to 425 degrees. Line baking sheet with nonstick foil.
Cut peppers in half across stem, creating 4 boats. Scrape out seeds and ribs.
in medium bowl, mix chicken, rice, 1 oz cheese, enchilada sauce, and seasoning. Mound 1/4 mixture evenly in each pepper half. Divide remaining cheese evenly over stuffed peppers. Bake 25 minutes or until peppers are tender and filling is hot.