The blueberry flavor isn't sickeningly sweet or obnoxiously artificial. You can see specks of blueberry across the donut, giving the impression that it’s made with fresh fruit.
Butternut has an interesting appearance that resembles crushed, golden gravel. However, its coating is more complex than that of other donuts on Dunkin's menu.
Despite coconut being a prominent ingredient in the coating, this donut really tastes nothing like coconut. It's slightly nutty and complex, with caramel and sweet undertones.
Sour cream can add more moisture to baked goods, including this donut. It looks craggy, but those marks give the glaze more surface area to stick to, sweetening the donut.
The design of this donut is simple; it's like a glazed cake donut, just in stick form. However, the fact that it has tons of crags and ridges increases the amount of glaze on it.