What's For Dinner: Grandma J's Chicken Tortilla Casserole

3 cups boneless chicken, diced or shredded (cooked!)
12 corn tortillas 
1 (10 1/2 oz) can cream of chicken soup 
1 (10 1/2 oz) can cream of mushroom soup 
1 cup chicken broth 
1 onion, chopped 
2 cans mild green chilies 
1 can sliced or chopped black olives 
1 pkg shredded cheddar cheese 

In a bowl, combine chicken, chilies, soups, broth and olives 
In a greased 9 x 13 pan, layer half the tortillas cutting to fit the pan 
Top with half of the chicken mixture and half of the cheese 
Repeat layers, top with cheese. 
Bake @350 uncovered for approx 30 mins.