Roast potato, turkey, sausage & stuffing pie - Good Food Middle East

Ingredients

• 1 tbsp olive oil or rapeseed oil
• knob of butter
• 1 large onion, halved and sliced
• 6 sausages or 8 chipolatas (leftover pigs in blankets are fine too)
• 2 tsp English mustard powder
• 50g plain flour
• 1 chicken stock cube, crumbled
• 150ml white wine
• 500ml chicken stock or leftover gravy
• 6 stuffing balls, leftover or shop-bought
• 300g cooked turkey, shredded
• 1 tbsp wholegrain mustard
• 100g low-fat crème fraîche
• small bunch parsley, chopped
• 800g leftover roast potatoes
• 20g mature cheddar, grated