2 rolls of puff pastry / 350 g feta cheese / 1 kg fresh spinach / 3 onions / 3 eggs / extravirgin olive oil / salt
Dice the onions and let them brown in a pan with olive oil. In a large pot add the spinach and a glass of water, cover with a lid and let them steam for few minutes. Then drain them and press them so as to lose the water. Add them to the onions in a bowl, together with the eggs and a pinch of salt. Dice the feta cheese and add the cubes to the bowl. Mix everything together. Roll the first puff pastry on a baking tin, with a fork make tiny holes in it, then pour the filling of feta and spinach.Level the filling and cover with the second puff pastry, pinching together the edges. Bake in the oven at 180 C for 50 minutes.