Preheat oven to 350 degree F. Grease a 3-quart rectangular baking dish; set aside. In a medium bowl combine chicken and chipotle chile pepper; set aside.
For sauce, in a large bowl combine cream of chicken soup, sour cream, and undrained green chile peppers. Stir 1/2 cup of the sauce into the chicken mixture.
Divide chicken mixture among tortillas. Sprinkle 1-1/2 cups of the cheese and the green onions over chicken mixture on tortillas. Roll up tortillas; place, seam sides down, in prepared baking dish. Pour remaining sauce over all. Cover baking dish with foil.
Bake in preheated oven about 35 minutes or until edges are bubbly. Uncover; sprinkle with the remaining 1/2 cup cheese. Bake, uncovered, about 5 minutes more or until cheese is melted. Makes 4 servings.