Paul Ainsworth served up a apple Charlotte with custard dessert on Royal Recipes.

The ingredients are: 50g lightly salted butter, softened, 50g caster sugar and 1 loaf medium sliced white bread, crusts removed.

For the filling: 300g caster sugar, 100g lightly salted butter and 2kg Cox apples, peeled, cored and cut into 8 equal wedges.

For the custard: 500ml full-fat milk, 1 vanilla pod, seeds scraped, 5 free-range egg yolks and 30g caster sugar.

See recipes for the Royal family in the book titled: The Royal Touch: Simply Stunning Home Cooking from a Royal Chef, available from Amazon now.