This pumpkin coffee cake recipe is perfect for fall. The cake is made with pumpkin puree, which adds a warm and cozy flavor. The streusel topping is made with brown sugar, cinnamon, and pecans, which creates a deliciously crunchy texture. This coffee cake is perfect for a Thanksgiving brunch or as a dessert. It's easy to make in your Thermomix and is sure to be a hit with your family and friends.