These sourdough pumpkin muffins are filled with fall flavors, like cinnamon and pumpkin pie spice, and feature a crumb topping and an optional sweet cinnamon glaze, which takes them to the next level. Sourdough discard pumpkin crumb muffins are soft, moist, and packed with warm spices. The sourdough discard adds a subtle tang and keeps the crumb tender, while the buttery cinnamon crumb topping gives a bakery-style crunch. Drizzle them with the optional cinnamon glaze for an extra sweet touch ...
