Preheat the oven to 400F / 200C.
Take an oven safe pan and spray olive oil on the bottom of the pan.
Crinkle fold one fillo sheet at a time and fill up the bottom of the pan. (You will need 12 sheets).
Pour evenly the cheese mixture and make sure everything is covered.
Add 6 roughly crinkle folded fillo sheets on top.
Spray olive oil on top of all.
Bake for 35-40 minutes on 400F until it's golden and ready.
