Mix flour,cocoa powder,salt and baking powder together

In a bowl,add the melted butter and sugar,whisk very well then add eggs and vanilla flavour,whisk well till all combined

Add your dry ingredients to the batter and mix them well.

Rub some butter on your pan and dust with some flour,remove excess flour,and pour your batter in the pan and bake.

Top with your desired glazed.or chocolate.