To make this bread roll cake first you have to make dough with flour, buttermilk, yeast, salt, egg yolks and melted butter. Rest the dough so that it rises. Then roll a big disc of the dough and cut its sections with a knife as shown. After that roll the sections and arrange them in a cake tin as shown in the photo. Brush with melted butter and egg and sprinkle some sesame seeds over it. Bake until it is golden and enjoy.
For more details view the translated recipe at coolinarika. Enjoy baking!