Break the eggs, add the sugar, vanilla sugar and whip

Add the eggs, baking powder, salt and mix well. Pour the yogurt and stir again.

Gradually add the semolina, stirring constantly with a spoon or whisk to avoid lumps. The dough mix well again and put in greased with butter a baking dish.

...

The dough will be quite liquid, but in the process of baking semolina absorbs all the liquid and increase in volume. Bake manna at a temperature of ~170°C ~35 minutes. For (about) 5 minutes before it is ready can be spread out on the surface of the pie pieces of butter and again return to the oven. Ready manna gently removed from the mold and sprinkle with powdered sugar. P. S. I Almost forgot: bake better in average shape (I have size 18х25 cm), if you want higher you, take them double the normal foods and bake accordingly longer, 40-45 minutes.