In stockpot, saute carrots, celery and shallots in butter until slightly browned.
Add pumpkin, broth, cloves, allspice and ginger.
Bring mixture to simmer and cook about 20 minutes.
Remove from stockpot and puree using immersion blender.
Return to stove and slowly add cream and honey until well combined. Return to simmer and adjust seasoning with salt and pepper, to taste.
Garnish with parsley and red pepper flakes, if desired.