Curried vegetable pie - Good Food Middle East

Ingredients

• 2 tbsp sunflower oil
• 1 onion, finely chopped
• 2 garlic cloves, chopped
• 1 green chilli, deseeded and finely chopped
• 1 tbsp garam masala
• 1 tsp ground turmeric and ground cumin
• 2 carrots, cubed
• 1 parsnip, cubed
• 225g cauliflower florets
• 1 courgette, cubed
• 75g frozen peas
• 25g butter
• 25g plain flour
• 4 tbsp Greek-style yogurt
• 3 tbsp chopped fresh coriander
• half a quantity shortcrust pastry (see 'Goes well with' below)
• 1 tbsp milk, to glaze