Black currant coffee cake is a delicious and moist cake that is perfect for breakfast or dessert. The cake is infused with the sweet and tangy flavor of black currants, which add a burst of fruity goodness to every bite. The crumbly streusel topping adds a delightful crunch, while the moist cake base keeps the whole thing tender and flavorful. This coffee cake is easy to make and is sure to impress your family and friends.