Make a pancake batter with the flour, egg yolks, cream, salt and vanilla powder and as much mineral water as necessary. Let rest covered for 30 minutes.
Preheat the oven to 200 degrees top / bottom heat.
Peel, quarter and core the apples and cut into narrow wedges.
Melt the butter in a large pan and lightly fry the apple wedges. Scatter the raisins on top.
Pour the pancake batter into the pan and bake in the oven for about 15 to 20 minutes. Carefully turn the apple pancake and sprinkle with the raw cane sugar.
Bake again for 5 to 10 minutes and serve hot.
Ideal for breakfast, as a dessert or for afternoon coffee.