Preheat oven to 190°C.
Sift the flour, sugar, bicarbonate of soda and baking powder together.
Add the berries, chocolate and orange rind. Mix through.
Beat the Yogi-Sip, eggs and butter together until mixed and gradually add to the dry ingredients until a moist dough.
Do not over mix, dough can still be lumpy.
Spoon into the hollows of a greased 12 hole muffin pan.
Sprinkle the nuts over and bake for 20 - 25 minutes or until a skewer comes out clean when inserted.
Allow to rest in pan for 5 minutes before turning out onto a wire rack.
Sprinkle with icing sugar and serve warm.