Hairy Bikers Chicken, Ham, and Leek Pie Recipe 🍗🥓

Ingredients

• 1 tbsp vegetable oil
• 25 g butter
• 3 medium leeks, trimmed and sliced
• 2 garlic cloves, crushed
• 3 tbsp plain flour
• 500 ml chicken stock
• 200 ml double cream
• 1 tsp wholegrain mustard
• Salt and black pepper, to taste
• 500 g cooked chicken, shredded
• 200 g cooked ham, chopped
• A handful of fresh parsley, chopped
• 500 g ready-made puff pastry
• 1 egg, beaten