My personal favorite take on a bunny cake (or a birthday cake, or a Sunday afternoon for no reason layer cake) is an orange layer cake with orange buttercream frosting. I love chocolate cake, and won’t turn up my nose at a good coconut cake, or carrot cake, but when it comes to layer cakes, orange cake might just be my favorite. Orange cake seems to magically straddle that divide between those who prefer what my friend Mike calls the “brown” flavors (caramel, nuts, chocolate) and those who prefer a fruitier touch. I’ve been making this particular cake quite a bit lately (layer cake happens to be a pregnancy craving) and it’s easy to throw together, with a nice orange flavor and a moist crumb. [...]