Preheat oven to 350°F Mix chicken, soup, green pepper, 1/2 cup of the sour cream, 1 cup of the cheese and 3 tablespoons of the cilantro until well blended.
Spoon about 1/4 cup of the chicken mixture down center of each tortilla; roll up. Place, seam sides down, in greased 13x9-inch baking dish. Top with the salsa and remaining cheese.
Bake 25 minute Sprinkle with remaining 1 tablespoons cilantro; top with the remaining 1/2 cup sour cream.