This lemon blueberry coffee cake is a perfect recipe for spring. The cake is moist, fluffy, and has a delicious lemon and blueberry flavor. The recipe is easy to make and requires simple ingredients like flour, sugar, butter, eggs, lemon zest, and fresh blueberries. The lemon zest adds a bright and refreshing flavor to the cake, while the blueberries add a burst of sweetness. Serve it warm with a cup of tea or lemonade for a perfect spring treat.