boil sauce for the crust and let it cool down

crust:mix 5 egg whites,then add spoon by spoon of sugar,flour,cocoa and baking powder

preheat oven to 180°C

put mixture for the crust in the oven,and while it's baking prepare filling:put sugar,vanilla sugar,margarine,4 tablespoons of oil into 8 dcl of cold milk and boil on low heat

in separate bowl whisk 2dcl of milk and 10 tablespoons of flour,when margarin is melted ad this mixture to it and slowly mix filling until it thickens

hot baked crust pour with cold sauce for crust and immediately pour it with hot filling

melt ingredients for glaze on low heat and pour it over the filling,but dont daub it