Melt butter in large skillet. ... In a large casserole dish, layer torn tortillas (to ... dish), 1/2 of chicken (cut in bite-size pieces), 1/2 ... 25 minutes. Serves 6-8.
Saute onion in butter; add ... of them in casserole dish. Spread onion and soup mixture over shells. Layer chicken followed by tortilla shells and ... 350 degrees until bubbly.