Clean the fennel, putting the fennel green aside. Wash the fennel, cut it in half lengthwise and cut out the stalk. Cut the fennel into approx. 1⁄2 cm wide columns. Peel onion and cut into fine strips.
Cook the pasta in 3-4 l boiling salted water (approx. 1 teaspoon salt per litre) according to the instructions on the packet. Heat 2 tablespoons of oil in a large frying pan. Sauté the fennel and onion for 5-6 minutes while turning.
Season with salt and pepper and remove.
Heat 1 tablespoon of oil in a frying pan. Fry the ground pork in it until crumbly. Season with salt and pepper if necessary. Add fennel and onion again. Deglaze with wine and 1⁄2 l water, bring to the boil, simmer for about 2 minutes.
Wash the fennel greens, shake dry and chop coarsely. Stir the fennel greens and cream cheese into the sauce.
Drain the pasta, put back into the pot and mix with the sauce.