Method

1. In a saucepan, melt the butter until a liquid and add the cornflour. Quickly whisk, cooking for 1 minute. Whisk in the white wine and cook for a further minute. Stir in the milk and heat until warm, then add the cheese. Whisk on a medium heat for 2 minutes, until thick.
2. Core and slice the apples and dress with the lemon zest and juice, then season with the black pepper.
3. Transfer the cheese mixture into a pot and place on a plate. Surround with the apples and serve with cocktail sticks for skewers.