Chocolate melt with butter in a water bath, cool slightly.

Separate eggs into yolks and whites. Proteins put into the refrigerator. Beat the yolks with sugar in a lush foam, add the rum essence.

Sift flour with cocoa and baking powder. Parts to the beaten yolks add turns mku with cocoa and melted chocolate. The dough will be very thick.

Beat the whites with the pinch of salt until fluffy foam and gently stir with a spatula to the batter. If a homogeneous dough is obtained, it is possible to mix it with a mixer, but not very long. Put the dough in a greased butter a rectangular baking dish and bake at 180 degrees for 45-50 minutes, until tender. The need to check readiness of a wooden skewer, it should be dry. The dough is heavy, so the baking time may vary depending on the oven.

Ready cake remove from the form and cool completely. A rectangular cake cut into two right-angled triangles. Fried region is a little pruning and trimming crush in a blender, they will go to the sprinkle sides of the cake. Each triangular layer is cut along into two parts.

To prepare for impregnation of cakes. Sugar with the water and heat until the sugar dissolves and boil on low heat for about 10 minutes, add rum essence, cool. You can use a pre-purchased dry impregnation. Cook it according to the instructions on the package.

To prepare the cream. To do this, whip the cream until stiff and gradually to drive chocolate spread Nutella.

Put the two lower triangular cake so as to obtain an equilateral triangle, the junction can be glued cream. Evenly soak cakes impregnation. From top to evenly distribute the cream, leaving a little on the sides. Cover the top cake. Put in refrigerator for 30 minutes.

To prepare the frosting. To do this, heat the cream until hot and pour them broken into small pieces chocolate and stir until smooth and smoothness. To cool down a bit. To get the cake out of the fridge, Boca coat left by the cream and sprinkle crumbs. Top pour chocolate glaze and decorate to your liking. Put in refrigerator for 2-3 hours.