How to cook
Whip the eggs with the sugar. Then add the yoghurt, with the baking soda dissolved in it.
Add the flour, as well as the oil and cinnamon, beat with a mixer.
Once you get a homogeneous mixture, add the walnuts, while stirring with a spoon. Bake in a well oiled and floured oven dish at 374°F (190 °C).