"This is the best coffeecake I've ever made. It's sweet, light and airy, without being dry, thanks to the buttermilk. A smooth, rich, buttery flavor is present in both the cake and the glaze, as well as vanilla notes. The blueberries are juicy, abundant, and make this cake taste like one big, soft, moist blueberry muffin. This recipe will be in my arsenal for years to come. It's so easy and turns out so wonderfully...."