Make this recipe a recipe that people in that category can eat. categories: ['low_sugar'], recipe: in a large sauce pan cook the onion in butter until soft. add the carrots and broth and simmer, covered for 20 minutes. puree in batches in blender or food processor. transfer to saucepan, add ginger root and thyme and simmer, stirring for 10 minutes.

Target recipe: in a large heavy saucepan cook onion, celery, and garlic in oil over moderately low heat, stirring, until onion is softened. add carrots, ginger root, red pepper flakes, and broth and simmer, covered, until carrots are very tender, about 45 minutes. stir in remaining ingredients and, in a blender or food processor, puree mixture in batches (use caution when blending hot liquids). return soup to pan and heat over low heat until hot, being careful not to let boil. serve soup drizzled decoratively with sour cream mixture.