Preparation / Directions:
Pre heat oven to 350* Wrap tortilla in foil. Heat in oven for 10 to 15 min until soft. Sauce: In saucepan cook onion, garlic,serrano pepper, coriander,and ground pepper in oil till onion is soft. Stir flour in sour cream; add to the pan stiring to combine. Stir in broth. Cook and Stir till thick . Remove from heat. Mix cheeses together then, mix all but 1 oz in sauce.
Filling: Stir 1/2 cup of sauce into chicken. Place about 1/4 cup filling in each tortilla; roll up.
Arrange rolls, seam side down, in a lightly greased baking dish. Top w/remaining sauce. Bake, covered about 35 min until heated through. Uncover, top with remaining cheese and bake 5 min more till cheese melts. Sprinkle with garnishes and let stand 10 minutes before serving.