Combine the wine, apple juice, lime juice, sugar and butter in a wide pan and heat gently, stirring to dissolve the sugar. Add the cornflour and bring to the boil, stirring until thickened. Add the sliced apples and leave to cook over a low heat for 4 minutes or until slightly softened. Set aside.
Heat a well-seasoned cast-iron griddle or other heavy pan (not non-stick) for 5-10 minutes