Othello Layered Cake

Description
In Romanian: Tort Othello

Ingredients

 * 9 eggs
 * 9 tablespoons sugar
 * 2 tablespoons coffee essence
 * 2 oz / 55 g cacao
 * 2 oz / 55 g flour
 * 2 oz / 55 g chopped walnuts
 * hazelnuts or almonds
 * oil, flour to dust pan
 * fruits from preserves

Filling

 * 5 tablespoons water
 * 2½ oz / 75 g cacao
 * 7½ oz / 225 g sugar
 * 7½ oz / 225 g butter
 * ¼ cup rum

Directions

 * 1) Whip the egg whites, gradually adding the 9 tablespoons of sugar.
 * 2) Then gradually add the 9 yolks, stirring continuously.
 * 3) Add cacao, flour, ground walnuts, coffee essence (strained and cooled) and mix well.
 * 4) Pour into a rectangular pan which was previously greased with oil and dusted with flour and bake at medium heat.
 * 5) When done, turn onto a cutting board.
 * 6) After it is completely cold, cut lengthwise in 3 equal parts.
 * 7) Spread the following cream on each sheet.
 * 8) Mix the sugar with the cacao, add water and set to boil to thicken like sour cream.
 * 9) Let cool, then mix with beaten butter and rum. Mix well.
 * 10) Divide the cream into 2 equal parts.
 * 11) Use one of these parts to spread on the sheets and lay them one on top of the other.
 * 12) Use the other half of the cream to cover the cake.
 * 13) Garnish with fruits from preserves and serve the following day, cut in triangles.