Stir the flour, the butter and sugar until mixture grainy. Add the water to form a ball of dough. Roll out the dough and put it in the fridge for about 20 minutes. We heated the oven. Roll out the dough and place in a baking dish, arrange the apple slices and bake for 10-15 minutes. Beat the egg yolks, cream, sugar and vanilla. Pour over apples and bake another 35 minutes.