Feta, date & spinach pastries - Good Food Middle East

Ingredients

• 500g spinach, any coarse stalks removed
• 115g butter
• 1 tbsp olive oil
• ½ small onion, finely chopped
• 2 garlic cloves, crushed
• 4 spring onions, finely chopped
• 8 dates, stoned and finely chopped
• ½ small bunch of parsley, leaves finely chopped
• 8 mint sprigs, leaves torn
• 25g toasted pine nuts
• 150g feta, crumbled
• 1 medium egg, lightly beaten
• 250g pack filo pastry sheets
• black sesame seeds, for sprinkling