First peel the pumpkin, cut into cubes and steam in a pot with a little water until soft. Puree with a hand blender.
Add the egg, flour, salt, nutmeg and cinnamon. Mix well with a wooden spoon. Let dough rest for a while.
Meanwhile, chop the estrus and bring to a boil with cream and white wine.
Roll the sage leaves in pumpkin seed flour and deep fry in hot oil, drain on a paper towel.
Using a spaetzle strainer, rub the spaetzle dough into lightly boiling salted water. When the spaetzle float up – strain. Serve with sauce and fried sage leaves.