1: Preheat the oven to 180°C.
2: Core the apples and place them in a baking dish.
3: In a bowl, mix sugar, raisins, pine nuts, walnuts, and cinnamon.
4: Stuff the apple cores with the mixture.
5: In a separate bowl, combine the breadcrumbs, sugar, and butter.
6: Sprinkle the breadcrumb mixture on top of the stuffed apples.
7: Bake in the oven for about 30 minutes or until apples are tender.