200 g Butter
1 1/2 Cups flour )
1/2 cup cocoa powder ) All sieved together
1 tsp Baking powder )
1/4 tsp Salt )
2 Cups sugar
4 Eggs
2 tsp vanilla ( or more better)
1/2 Cups Nuts ( Optional)
1/2 cup Semi Sweet dark chocolate chopped or grated.

Chop butter into cubes and place in a medium sized bowl, melt in microwave and leave to cool.
Sieve flour, cocoa, baking powder and salt together.
Add sugar to the cooled butter and mix well with a wooden spoon.
Beat eggs in a small bowl separately.
Add eggs to the sugar and butter mix and beat well with hand , then add the flour mix sieved and Fold well to mix.
Add vanilla and chocolate ( Can be chocolate chips too or chocolate grated into small pcs /Nuts) and fold in well
Pour into greased baking trays lined with a oil paper also well greased.
Bake for about 35 - 40 mins until well done.