First make the dough. In a large bowl sift the flour, pour the hazelnut milk, add the eggs, salt, yeast and half the sugar, mix well, then add the remaining sugar and stir. At the end add the butter, knead the dough. The dough should be manageable, not too hard and not too soft. The finished dough divided into 2 parts. In one part add cocoa and brown sugar and knead. Cover the dough with a towel and leave in a warm place for 2-2,5 hours. Divide the dough into 4 pieces, roll into balls. Get 2 dark and 2 white bun. Option moulding 1 Chocolate roll inside. Divide two kinds of dough into 4 parts. From each part to form a bun. It turns out 2 bun white and 2 dark

Roll out 2 tortillas oval-shaped, one white and one dark

The cake of collected chocolate dough in half, forming a loaf. Put it on bread of white dough and close up the edge, turn seam down. On the surface, make slanting cuts without touching the lower layer

A variant of the molding 2. White roll inside Do the same thing, only in reverse. The cake of collected white dough in half, forming a loaf. Put it on the cake of a dark dough and close up the edge, turn seam down. On the surface, make slanting cuts without touching the lower layer

That's what we get

Billet lubricated with beaten egg ( yolk) and leave for 30 minutes

Bake in a preheated oven at 190 degrees ( up-low) for 15-20 minutes