This blueberry crumb cake is a delicious twist on a classic recipe. The cake is moist and tender, with a sweet and tangy lemon glaze that perfectly complements the juicy blueberries. The crumb topping is made with a mixture of flour, sugar, and butter, and adds a crunchy texture to the cake. This recipe is perfect for breakfast, brunch, or dessert, and is sure to be a hit with blueberry lovers.