How to cook
Beat the eggs and add the yogurt to them, in which you've extinguished the baking soda in advance, then add the mayonnaise, flour and mix well.
You need to get a thick cake batter. Add the feta cheese and oil lastly. Pour the mixture into a greased and floured cake form.
Bake 40 minutes, in a preheated 365°F (185 °C) oven.