cook chicken and chop into small chuncks

dice onion

chop green onion tops

combine soup,onion,green onion tops, sour cream,and most of the cheeses,saving some for the top

set aside 1 cup of this mixture without the chicken.

add the cut up chicken to the remaining mixture

in a 9 x 13" greased shallow baking dish, fill each tortilla with some of the chicken mixture, folding up ends if you desire

pour remaining sauce over the top of the filled tortillas and sprinkle with remaining cheese

bake at 350°F for 45 minutes