In a standing mixer bowl blend the butter with the sugar until there is cream
Pour the eggs and the vanilla extract and keep on mixing until completely incorporarted to the mixture.
Then pour in the buttermilk and mix at slow speed just until it gets incorporated to the rest of the batter.
Finally add in the flour and mix gently with a silicon spatula.
Fill in the baking mould
Bake for about 70 minutes until the knife goes out clean from the centre of cake.
Let it cook completely and unmould.
Notes
The buttermilk can be replaced with 145gr milk and 140gr greek yogurt. In case the mould is not silicone, do not forget to properly grease it for east unmoulding.
Recipe by Craft Cook Love at https://www.craftcooklove.gr/en/2018/11/buttermilk-vanilla-cake.html