In a bowl place and mix the cottage cheese, cream, 200 ml lukewarm water, sweetener, salt and white of an egg. Add sifted flour and baking powder in the bowl first, then the desktop knead dough does not interfere much. It does not stick, is sprinkled with flour. The dough is divided into eight balls, which is substantially elliptical buns, which are arranged on a tray at a distance from each other (if the tray is not Teflon is namaslyava and sprinkled with flour). Spread with a broken yolk, sprinkle with sesame seeds and leave to rest for a while (until warm oven). Bake at 200 C to red top. By subtracting, covered with a towel for ten minutes.