Ham, leek & potato pie recipe | Good Food

Ingredients

• 2 tbsp butter
• 1 large onion finely chopped
• 3 leeks finely sliced
• 2 large potatoes cut into small cubes
• 2 tbsp plain flour plus extra for dusting
• 300ml chicken or ham stock
• 100ml pot crème fraîche (or use leftover double cream)
• 2 tsp wholegrain mustard
• 200g cooked ham shredded
• 4 bay leaves optional
• 375g pack puff pastry
• 1 egg beaten, to glaze (or use milk)