Spanakopita: Spinach, Mint and Feta Pastries

Ingredients

• 500g spinach
• 1 tbsp olive oil
• ½ small onion, finely chopped
• 2 spring onions, trimmed and finely chopped
• 100g Greek feta cheese
• 1 large egg
• 1 tbsp finely grated Greek kefalotiri cheese or parmesan cheese
• A pinch of freshly grated nutmeg
• 2 tbsp chopped fresh mint
• 250-275g packet filo pastry (about 6 sheets)
• 100g butter, melted
• Salt and freshly ground black pepper