Dad’s beef, mushroom & mustard pies - Good Food Middle East

Ingredients

• 1 tbsp vegetable oil
• 1 onion, chopped
• 300g stewing beef, cut into chunks, fatty bits and sinew removed
• 2 tbsp plain flour
• 1 tbsp mustard powder
• 1 tbsp tomato purée
• 1 tbsp wholegrain mustard
• 1 tbsp Worcestershire sauce
• 2 thyme sprigs
• 500ml beef stock
• 140g chestnut mushrooms, quartered
• carrots and broccoli to serve (optional)
• 300g plain flour
• 2 tsp mustard powder
• 100g light suet
• 50g cheddar
• 1 large egg, beaten