Cook pasta according to package; drain and set aside.
In large skillet, melt butter over medium-low heat. Add ground sausage and cook until no longer pink.
Mix in chopped onions and allow to soften. Add garlic cook for 30 seconds until fragrant.
Stir in spices, pumpkin puree, cream, and vegetable broth bringing it to a slight simmer.
Add in spinach and allow to wilt.
Combine cooked pasta with the pumpkin sauce.