Add soda to kefir and mix well.
Beat the egg with salt. Then pour the egg into kefir, add sugar and mix well.
Pour flour and cocoa into the mixture, mix well so that there are no lumps. Pour in oil and mix again.
Heat a non-stick pan well and pour the dough with a ladle to form small pancakes.
Cook until bubbles appear on the surface and the bottom becomes rosy. Then flip to the second side and cook another minute.