Spanakopita

Name: Spanakopita
Ingredients: 1kg silver beet, stalks removed; a big handful of chopped dill; a small handful of chopped mint; 150ml extra virgin olive oil; 1 big leek, finely chopped; 1 onion, finely chopped; 1 egg, lightly beaten; Dried Greek oregano, to taste; 500g fresh ricotta; Salt and freshly ground black pepper, to taste; 1 cup olive oil, for brushing; extra plain flour, for dusting; Filo Pastry; 500g plain flour; 225ml water; 1 teaspoon salt