Make this recipe a recipe that people in that category can eat. categories: ['low_sugar'], recipe: sautee onions and carrots in olive oil over medium heat, stirring occasionally. when the onions start to become translucent, add the mushrooms and turn the heat up to high, stirring frequently. after the mushrooms have started to brown around the edges, add the nutmeg, ginger, salt, and pepper, and mix well. continue sauteeing vegetables until all are cooked but still somewhat firm. put mixture into food processor and puree while adding some of the buttermilk or milk. return puree to the stovetop pan, then mix constantly over low heat while adding in the rest of the buttermilk and milk. continue heating on low until heated through. do not let it boil or the milk will curdle.

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.