Chocolate Heaven

mix butter and sugar to a paste ,add the eggs mix for a while untill the mixture has some air into the eggs mix the flour and coco powder in with the other ingredents ,add the baking powder and the vanilla essence and fold the mixture untill alltogether ,last thing is to add the choco chips add as much as you like but i think one small bag is enough ,i cook mine in a small bread tin and when its cooled i cut into slices and wrap as the kids love them in there packed lunch or a snack after school...let me know what you think,,!