Rub the yolks with the sugar, then add the walnuts soaked in water, sliced oranges, oil, flour and finally the beaten egg whites.
Place in the oven in a greased cake pan.
After the countertop has cooled, cut it in half and fill it with whipped cream over which the chocolate is grated.
You can also insert a sheet of pandispan, but then you need more cream.
I put the quantities in half and combined it with another countertop to make a cake - the result here
Last year I did it for Valentine's Day.