Banana, Blueberry, Coconut and Toasted Walnut Bread

I saw this recipe on one of my favorite food blogs, Noble Pig, and knew I had to make it. The recipe was originally posted by Leslie, The Hungry Housewife. I had extra ripe bananas that needed to be used and a handful of fresh blueberries left in the refrigerator. I also had just a bit of vanilla yogurt that I didn't want to go to waste, so this was the PERFECT recipe for me. The original recipe