Amazing pie recipe. I bake it every weekend.

4 eggs 250 g sugar 180 g vegetable oil 200 ml milk 250 g wheat flour 30 cocoa 10 g baking powder 10 g vanilla sugar a pinch of salt ____ 80 g chocolate 40 g butter 20 g milk walnuts ________ Bake in an oven preheated to 180°C for about 45 minutes.