This video shows you how to make a dense, moist blueberry sour cream coffee cake with a scrumptious cinnamon, brown sugar, and pecan filling. It's delicious with either fresh or frozen blueberries. Dust your cake with a little confectioner’s sugar if you like. Watch the video, then get d. newman’s top-rated recipe for Blueberry Sour Cream Coffee Cake. Always a delicious treat, it’s a favorite on Sunday mornings.