This blueberry cake recipe is perfect for breakfast or brunch. The streusel topping adds a crunchy texture and a nutty flavor, while the blueberries add a burst of sweetness. The secret to this recipe is using a combination of all-purpose flour and oats in the streusel topping. This gives the topping a chewy texture and a nutty flavor. Serve it with a cup of coffee or tea for a delightful morning treat.
