In an extra large microwave safe bowl, combine the cabbage, oil, salt and pepper.
Cook for 15 minutes, stirring every 5 minutes.
Once the cabbage is tender, drain the liquid and transfer cabbage to the slow cooker.
In a 12 inch skillet over medium high heat, cook the bacon for 5 minutes, then add onion and cook for an additional 3 minutes or until tender.
Add 1 teaspoon of the thyme, fennel seeds, cinnamon and allspice. Cook for 1 additional minute.
Pour ½ cup of apple cider into the hot skillet and deglaze the pan then pour over the cabbage in the slow cooker.
Pour the remaining apple cider (1 ½ cups) over the mixture, add brown sugar, apple cider vinegar, and top with 3 bay leaves.
Cover and cook on high for 3-4 hours or low for 5-6.