Chocolate dreams

1 1/4 c flour
1/3 c cocoa
1/2 tsp baking soda
170g (6 ozs) butter
1/2 c brown sugar
1/4 c caster sugar
1 tsp vanilla extract
1/2 c chocolate bits

Cream butter and sugars, then add vanilla extract, beat further.
Add sifted dry ingredients chocolate pieces and mix.
Place mixture on tray in dessertspoon lots (12 for good sized biscuits).
Bake at 180°C for 12 minutes.