Minced lamb filo tarts - Good Food Middle East

Ingredients

• 1 tbsp olive oil
• 1 small onion, finely chopped
• 1 tsp each ground cumin and cinnamon
• 2 tsp ground ginger
• ¼ tsp Chinese five-spice powder
• 2 garlic cloves, finely chopped
• 250g minced lamb
• 125ml vegetable stock
• 1 tbsp tomato purée
• 3 sheets filo pastry
• 50g butter, melted
• natural yogurt and chopped coriander, to serve