Very simple Chocolate biscuit!

On a form with a diameter of 22-24 cm or square 23×23 see.
Ingredients:
Eggs — 6 pieces.
Sugar — 180 g.
Flour — 150 g.
Cocoa — 30 g.

To add sugar to eggs to shake up 6-7 minutes. Then to connect flour to cocoa and to implicate a shovel flour in egg mix. To pour out dough in the prepared form and to bake at 180-190 °C, 30-35 minutes.
(Time of pastries and temperature, it is necessary to adapt for each oven individually!!!)