Cake Napoleon, an easy way to make it at home. You can also prepare it for your family at home

Amount of ingredients:
For the dough:
Flour - 500 gr
Butter or margarine - 250 gr
Cold water - 100 ml
Egg - 1
A pinch of salt
Vinegar 9% - 1 tbsp
Cream:
Milk - 600 ml
Egg - 1
Flour - 2 tablespoons
Sugar - 180 gr
Vanillin - 0.5 teaspoon
Cream - 200 ml
Powdered sugar - 1 tablespoon