Melt the butter in a saucepan. Add the cinnamon, sugar, raisins and the apples. Add the amaretto and simmer everything for 10 minutes over medium heat, until the apples are cooked through. Mix about 2 teaspoons of water with 1 teaspoon of starch and use it to thicken the apple mixture.
Meanwhile, remove the crust from the toast and roll it out flat with a rolling pin. Put some of the apple mixture on each of the rolled out toast slices. Roll up all the slices, brush them with melted butter and then roll them through the cinnamon and sugar.
Put the small apple strudel in a baking dish and bake for 10 minutes. Serve with vanilla sauce.