In a large sauté pan, heat olive oil and brown the sausage on all sides.
Push sausage to the side, add additional olive oil if necessary, and add onion and garlic. Sauté until translucent but not browned.
Push all ingredients to the side and add cabbage.
Sauté for a couple of minutes and then combine with other ingredients.
Add bay leaf, rosemary, oregano, thyme, and sage. Stir to combine.
Add carrots, celery, potatoes, cabbage, and raisins.
Toss and sauté for several minutes to combine.
Push all vegetables to the side.
Add cider vinegar and reduce by half.
Add brown sugar and whisk to melt and smooth. Combine with other ingredients in pan.
Add stock and bring to a simmer.
Season to taste with salt and pepper.
Serve piping hot, with or without a drizzle of sour cream.
Makes 2-3 quarts. Serves 4-6.