In bowl mix the flour with cocoa. Add the yeast mixed with sugar and salt. Mix well and add 300 ml warm water and the oil. Izmesva to a smooth dough. In a greased bowl, put the dough, cover with a cloth and leave in a warm place for about an hour. Once the dough has doubled in size, knead again for about 2 minutes. Form of bread smeared with sunflower oil and dusted with flour. The dough is placed in a mold and allowed to warm for 30 minutes. Bake in preheated 200 ° C oven until ready. After baking, is removed from the mold and leave to cool completely. Cut into slices smeared with chocolate spread and served.