Preheat oven to 350 degrees.

In a sprayed 9 x 13 inch baking dish, lay 6 tortillas in the bottom, slightly overlapping

Spreading 1/2 cup of the enchilada sauce, evenly over tortillas.

Spread 1/2 of chicken the sauce along with 1/2 the onion, 1/2 green chiles, ½ of the corn and 1 cup of cheese.

Repeat layer with six more tortillas, 1/2 cup sauce, the remaining chicken, onion, green chiles, corn and another cup of cheese.

Complete the casserole with another layer of tortillas followed by the remaining enchilada sauce and cheese.

Bake at 350 degrees for 30-40 min. Let stand 5- 10 mins before serving. Serves 6-8.