This buttermilk blueberry crumb cake recipe is perfect for those who love a moist and tangy cake. The cake is made with buttermilk, which gives it a tangy and creamy flavor. The blueberries add a burst of sweetness and color to the cake. The crumb topping is made with butter and brown sugar, making it crunchy and delicious. Serve it with a cup of iced tea or lemonade for a perfect summer dessert.
