Rub the garlic around the fondue pot. Add the cheese to the pot. Mix the cornflour with the wine and apple juice, pour into the pot. Bring to the boil over a low heat, stirring constantly. Add the gin, season.
Heat the butter in a frying pan, add the apples and sauté for approx. 5 mins., season with salt. Add the nuts and cook for a further 5 mins. Top the fondue with the apples and nuts, serve immediately.