Acapulco Chicken - cooking recipe

Ingredients

2 -3 lbs boneless skinless chicken breasts (about 6 breasts)
3 tablespoons butter
3 tablespoons flour
2 (10 3/4 ounce) cans cream of chicken soup
16 ounces sour cream
1 (4 ounce) can green chilies, diced
1/2 teaspoon onion salt
1/4 teaspoon pepper
2 cups swiss cheese, shredded

Preparation

Place chicken in a greased 9x13\" casserole dish.
Melt butter in skillet. Add flour & cook until golden brown.
Stir in soup, sour cream, chilies, onion salt & pepper. Simmer for 10 minutes, stirring frequently.
Pour sauce over chicken in casserole. Bake at 400 degrees for 15 minutes.
Cover with foil, reduce heat to 350 degrees and bake for 1 hour.
Uncover & sprinkle cheese over top. Bake uncovered for 15 minutes more or until cheese is melted.