Pehtranova potica - pehtranka (brez skute)

Dough: 550g of flour 100g of butter 3 tablespoons of sugar 200ml of lukewarm milk 1 vanilla sugar 1 teaspoon of salt (5g) 3-4 tablespoons of rum 3 egg yolks lemon peel Knead for at least 15 minutes but make sure that it is not more than 20 minutes. Filling: fresh tarragon 50g of butter 6 tablespoons of breadcrumbs 5 spoons of sugar 100 ml of heavy cream 2 egg yolks 2 egg whites - whipped pinch of salt butter (50g)