Dude Ranch Casserole

2 ½ cups cooked, cubed chicken
2 cups shredded cheese
1 can cream of mushroom soup
1 can cream of celery soup
1 can Ro-Tel diced tomatoes & green chilies
1 can diced green chilies
¾ cup sliced green onion
1 dozen flour tortillas cut into triangles.

Mix everything together except one cup cheese and 12 tortilla triangles. Spray casserole pan with cooking spray. Put mixture in pan and cook at 375° F for about 30 minutes. Sprinkle remaining cheese on top and tuck tortilla triangles around the edge. Bake 5 more minutes. Let casserole rest 5 – 10 minutes before serving. Good with tortilla chips and salsa.