Melt butter and chocolate chips on a medium heat pan...off the stove then add caster sugar and beat till room temperature until the sugar gets melted
1
Add the eggs one by one ,mix well and to the Fina stage add all the dry ingredients (flour ,cocoa powder, coffee powder,salt) final a spoon of vanilla extract to it ..don't over mix ... blend it well wid the spatula
2
Grease a pan with butter and place a parchment paper over it and now pour half of the batter and put some chocolate chunks and pours the remaining batter ..tap the pan so that there is no air lumps in it
3
You can also add nutella on top of the batter and swrill it nor u can add walnuts /nuts of ur choice .
4
Place the pan in the oven at 180' degree for 25 mins ... Before slicing it allow to cool down to a room temperature