These blueberry crumb cake bars are a fun twist on the classic cake. The bars are moist and tender, with a layer of juicy blueberries and a buttery crumb topping. To make the bars, you will need all-purpose flour, baking powder, salt, unsalted butter, granulated sugar, eggs, vanilla extract, sour cream, and fresh blueberries. The recipe is easy to follow and yields bars that are perfect for a party or as a snack on the go. Make a batch and watch as they disappear in no time.
