Take a bowl add butter and sugar and whisk till mix then add eggs one by one and mix properly then fold in All purpose flour,Almond meal,coco powder,baking powder, milk powder and make a smooth batter.
Cut Chocolate bar in cubes.
Gresse bunt cake mould with butter and pour cake mixture and put 2 chocolate cubes in middle and bake it for 12-15 min at 180.c