Cut the peeled apples into 8 pieces. Put in a baking dish, sprinkle with sugar and caramelize in the oven at 180 degrees - 20 minutes.
Prepare vanilla sauce. Heat the cream and add the pureed yolk with sugar and vanilla seeds. Bring to a boil and cool.
In a rectangular shape, lay out alternately layers of lasagne sheets boiled until half cooked, vanilla sauce, baked apples. Top with vanilla sauce and bake at 170 degrees - 25 minutes. Cut the cooked lasagna into 4 servings.