Preparation of crust: With electric mixer, whisk butter and sugar and add melted chocolate, flour, baking powder and egg whites. Scrambled egg whites gradually add stirring spoon. Pour mixture into greased 9*13 inch baking sheet and bake at 360 F for 20 minutes.

Preparation of filling: egg yolks plus 2 eggs and sugar whisk with stand mixer and cook on high steam 25 minutes and steamed with mixed spoon all the time, then add dark chocolate and 2 tablespoons of rum. When cool add butter. When the filling is cool, whisk with mixer.

Baked and cooled crust sprayed with rum, pour filling and sprinkle with ground nuts.