for this one, i made some few changes, by reducing the sugar, and instead of using chocolate, i decided to use berry preserves (click on this link and scroll down for the berry preserve recipe).
i decided to layer this coconut bread, after mixing the batter, pour in a portion of the batter into your baking dish, then top with your berry preserve/jam, the cover with the remaining batter, then top again with the berry preserve/jam, i gave the top layer a bit of "swirl" =)
and it turned out just really good. just to mention, i don't have a rectangular baking dish, so i use a baking bowl instead, so, for this one, its cylindrical.
well, not much to say really, her blog explains it all Baking and Mistaking : Marbled Coconut Bread. as for me, there a lot more recipes to learn.