100g butter
2 eggs
1/4 cup cocoa
1 cup Chelsea White Sugar
3/4 flour
1/2 cup chocolate bits
1 tsp baking powder
Chelsea Icing Sugar to decorate 

Melt butter on high for 1 minute; add sugar, eggs and then flour, cocoa , baking powder and chocolate bits. Mix all together put into a sprayed dish
Microwave on high for 5-6 minutes.
Cool, sprinkle with icing sugar