01 -
Preheat oven to 375°F (190°C). Thaw frozen spinach and drain any excess liquid.
02 -
Heat a drizzle of olive oil in a skillet over medium heat. Add the chopped onion and minced garlic. Sauté until translucent. Add the spinach, salt, and pepper, and cook until wilted. Stir in lemon juice and cook on high until liquid evaporates.
03 -
Transfer cooked spinach to a large bowl. Let cool slightly. Add crumbled cheeses, beaten egg, parsley, pine nuts, nutmeg, salt, and pepper. Mix until well combined.
04 -
Brush the bottom of a 9-inch pie pan or 9x13-inch dish with olive oil.
05 -
Place two layers of filo pastry on a surface. Brush with melted butter. Spread 4 tbsp of spinach filling on top, leaving a 2-inch border. Roll pastry into a tube and coil into the pie pan. Repeat until the pan is full.
06 -
Brush the top layer of pastry with olive oil for a golden, crispy crust.
07 -
Bake in preheated oven for 25-30 minutes until golden brown. Let cool slightly before slicing into squares or triangles.