2 lbs. spinach, washed, dried, and broken into bite-sized pieces
1 lb. feta cheese, crumbled
1 sm. onion, chopped fine
4 eggs, slightly beaten
2 tbsp. olive oil
1/2 lb. butter, melted
1 box filo (phyllo), found in frozen foods section

Combine spinach with cheese, onion, eggs, and olive oil. Arrange 9 filo, which have been brushed with butter, in a greased 10x15 inch pan. Cover with spinach filling. Cover with 6 filo over all, brushing each with melted butter. Seal edges to retain filling. Brush top with melted butter. Bake in 350 degree oven for 45 minutes.