Put wine, star anise and sugar in a pot and simmer for 3-5 minutes. Add cranberries and simmer for about 12-15 minutes. Quarter pears, remove seeds, peel, cut into slices and add in the last 3-5 minutes.
Season with a pinch of salt and cayenne pepper. Let the compote cool lukewarm.
Dice the pumpkin. Peel, rinse and chop the potato. Peel and grate ginger. Cook pumpkin, potato and ginger in salted water for about 25-30 minutes until soft. Drain. Puree while adding crème légère and butter.
Season to taste with salt and pepper.
Salt and pepper the duck breasts. Fry with the skin side down, turn and fry the meat side. Put the duck breasts in an ovenproof dish. Bake in a preheated oven at 200 degrees (gas: level 3-4, fan oven: 180 degrees) for about 20 minutes.
Allow to rest for 5 minutes before slicing.
Clean the Brussels sprouts, rinse them and cut the stalk out in a wedge shape. Cook in salt water for about 10-12 minutes. Drain and remove the outer leaves from the heads.
Cut the duck breasts open and serve with the pear compote, pumpkin puree and Brussels sprouts.