Nigel Barden served up a tasty Boxing Day pie with leftover turkey using a recipe by Lucy Young on Radio 2 Drivetime with Simon Mayo.

The ingredients are: 40g butter (Nigel used unsalted), 1 large onion, chopped, 40g plain flour, 150ml white wine, 450ml milk, 1 tbsp grain mustard, 250g chestnut or closed cup mushrooms, thickly sliced, 2 tbsp fresh flat-leaf parsley, chopped, 450g cooked turkey, shredded in thick strips, salt and pepper, 900g potatoes (peeled and cut) and 75g cheddar cheese (grated).

See the recipe in the book titled Celebrate: The Most Important Meal of the Year, by Sarah Copas available from Amazon now.