Devilled cheek & kidney pot pie - Good Food Middle East

Ingredients

• 175g plain flour
• 1 tbsp English mustard powder
• 1 tsp cayenne pepper
• 1kg beef cheek or other braising cut of beef, cut into large chunks
• 400g prepared ox kidneys or lamb's kidney- ox kidney cut into chunks, lamb's kidneys halved
• 3 tbsp vegetable oil
• 300g bacon lardons, or 12 rashers streaky bacon, chopped)
• 4 carrots, chopped
• 2 onions, chopped
• 2 bay leaves
• 300ml bottle light ale
• 400ml strong beef stock (cubes or fresh)
• 1 tbsp tomato purée
• 5-6 thyme sprigs
• 1 tall piece bone marrow, on the bone (optional)
• 400g plain flour
• 200g lard or butter (for the best results, half of each)
• 2 eggs, beaten