Biscuit is very soft and "fluffy", while it is without baking powder and baking soda, it turns out quite high,about 4-4, 5 cm you can Use any cream. I hope that You enjoy this recipe for sponge cake.
To prepare the ingredients.
Beat eggs with a mixer until light foam.
Then portions (literally a spoonful) to enter the sugar, continuing to beat with electric mixer 7-10 minutes (at least). Add vanilla.
Gradually introduce the flour, interfere with a spoon or spatula in a circular motion, lifting the batter from the bottom up. Beat biscuit dough mixer is not necessary, it will lose the airiness!
Divide the prepared dough into two parts, one part add cocoa. When cacao is mixed with the dough too much in the way not necessary, as cocoa is very much "puts the batter".
The Cup multivarki grease with butter. Put the dough in the bowl, with a spoon in a chaotic manner - 2-3 tablespoons of white dough, 2-3 tablespoons of chocolate and so on to the end.
Next, clean with a stick or toothpick to mix the white and chocolate batter - this will give the cake a beautiful marble pattern.
Bake marble cake in a slow cooker for 60 minutes in the bake mode.
After the signal to take out the cake using the basket of a double boiler and cool.
So it turns out the sponge in the incision.
Coat the cakes with any cream (I made sour cream + sugar, whipped with a whisk and missed both of the first cake, then the cake itself.) Bon appetit.