sour cream and finely chopped fresh chives as accompaniments
Directions
In a large heavy pot heat olive oil over moderate heat and cook the onions until translucent Add the minced garlic and crushed red pepper flakes and cook stirring for 1 minute Stir in the balsamic vinegar and the brown sugar bring to a simmer Add the cabbage and stir to combine Add the tomatoes and the chicken stock and bring to a simmer Season with salt and pepper to taste Simmer the soup uncovered for 30 to 40 minutes until the cabbage is very tender Taste soup and adjust seasoning with more balsamic vinegar brown sugar salt andor pepper Stir in parsley Serve hot with a dollop of sour cream and chives