Mix the chicken, olives and chillies in a bowl

Put cheese in a separate bowl

Use a large casserole dish

Layer one layer of tortillas

Add a large scoop of chicken mixture to each tortilla

Add a hand full of cheese to each scoop of chicken mixture

Continue to layer ending with tortillas on top, pushing down slightly to compress as you go

Pour can if enchilada sauce over entire dish

Cover the top with remaining cheese.

Cover with foil and bake at 350 for 30 minutes.

Remove foil and bake for 15 minutes

Let sit for 10 minutes then cut squares and serve.