Cocoa, sugar and yogurt mix in a separate container.

When the mass becomes smooth, add soda, slaked vinegar.

It turns out the mass of air, leave it until the side.

In another container sift flour and pour in small portions of our kefir mass. Stir gently to avoid lumps.

While we put a lot of kefir and flour, put the margarine on the stove to melt. Warm melted margarine add in our batter, gently stir.

Proteins separated from the yolks. Beat with a blender or with a mixer whites until fluffy foam.

Then add the egg yolks, continue whisking. Now the egg mixture carefully and mix up the portions to the dough. The dough will be loose and lush. Bake 3 cakes at a temperature of 180-200 degrees for about 30 minutes. Form grease with oil, you can still sprinkle with semolina, to get a better took out the cake. I always check with a dry toothpick. You can bake in the miracle stove or a slow cooker, who has what equipment available)

Now prepare the cream. From milk and semolina cook porridge. While it cools, mix the butter at room temperature (it is better to remove it beforehand, so it got warm) and sugar.

The zest from lemons RUB on a small grater. Of them surviving juice. Add all to cold porridge. Now whisk parts in porridge add the butter with the sugar. Whisk the cream until fluffy and smooth. Importantly, long whip, so he doesn't exfoliate. The cream is put in the fridge for 20 minutes to a little frozen. Cakes spread a layer of cream with a thickness of 1.5 -2 cm, depending on the diameter of your form. Top cake, you can pour the chocolate glaze, spread with cream or decorate with fondant. This time I decided to decorate it with fondant)

This has turned into a cake! Enjoy your tea!)))

By the way, these cakes can be done that's the kind of hedgehog)Needles were made of butter cream. Nose of cream, which proslejivaetsya cake)Well, it's the kids)