Mix the eggs well together with the sugar and vanilla extract until the texture becomes fluffy.
Pour in the oil, stirring continuously, then gradually add the kefir mixed with vodka and the flour combined with baking soda, stirring constantly to prevent lumps from forming.
Finally, pour the milk and incorporate it into the rest of the ingredients.
Pour the batter into a buttered pan or Dutch oven and bake for 2 hours at 250°C, then reduce the temperature to 90°C and bake for another 90 minutes, ALWAYS COVER WITH FOIL.
Cool in the oven for 6 hours and enjoy the dessert with pleasure.
Enjoy!
