Cut the pumpkin into quarters, remove the seeds and peel. Cut the pumpkin flesh into cubes. Peel and chop onions
Heat the fat in a pot. Fry the onions in it until transparent. Melt sugar in it while stirring. Add pumpkin and steam for 10-15 minutes
Take out some pumpkin cubes. Season the rest with salt, pepper, nutmeg and cloves. Add stock and half cream. Simmer for about 10 minutes. Puree the soup, season to taste. Stir in pumpkin cubes and remaining cream