This classic coffee cake recipe is perfect for Thermomix. It's a moist and tender cake with a cinnamon-sugar streusel topping. The cake is made with sour cream, which gives it a rich and tangy flavor. The streusel topping is made with brown sugar, cinnamon, and butter, which creates a deliciously crunchy texture. This coffee cake is perfect for breakfast or brunch, and it's sure to be a hit with your family and friends.
