Sift dry ingredients together of the 1st list. In a big bowl beat sugar, oil and butter till it's creamy add one egg at a time and beat well till all done add oil and cocoa mixture and fold in well then add dry ingredients and mix well.
Pour on a greased baking tray, bake on 170C. When cake is done let it cool a little then cut twice horizontally,
let it cool down then on 1 round slice spread nutella and place the other slice spread nutella on it and place the last slice.