Indulge in this delectable Blueberry Sour Cream Coffee Cake, where the fluffy texture meets bursts of juicy blueberries. The addition of sour cream lends a rich, creamy tang that elevates this cake to a delightful treat perfect for brunch or a cozy afternoon snack. Ready in under an hour, it pairs beautifully with coffee or tea, making it an ideal dessert for gatherings or quiet moments at home.