Knead the dough by first beating the eggs with sugar. Add the fat, yogurt with soda, vanilla with flour.
Roll a crust, 0, 5 cm. Thick and cut it into squares. Add the filling of jam and chopped nuts and roll them up as buns. Spread them with yolk and sprinkle them with poppy seeds.
Bake in a moderate oven at 356°F (180 °C). Remove them after 5 minutes put them in a container with a lid to be soft.