2 pkgs. frozen, chopped spinach
1 onion, chopped
1/2 lb. Feta cheese, crumbled
1 c. Ricotta cheese
1 c. melted butter
6 eggs, beaten
1 lb. filo
Salt and pepper to taste

Saute onions in 1/2 cup butter until golden. Add spinach; mix well. Remove from heat. In large bowl, combine Feta, Ricotta, and spinach mixture. Gradually add eggs, stirring constantly, and season. Set aside. Butter a 12 x 18 x 2 inch pan. Begin layering filo sheets; let each overhang over edge of pan. Brush each layer with butter. Keep adding filo until half of package is used.

Place two sheets without an overhang and pour in spinach mixture. Fold over hang filo over spinach carefully. Brush unbuttered sides with butter. Layer remaining filo sheets, brushing each with butter. Score top sheets carefully before baking. Bake in preheated 350 degree oven for 45 minutes.