Using a large pot, heat the oil until hot over medium heat.
Brown the links in the oil for about 5 minutes.
Add the onions and cook with the sausage for about 3-4 minutes
until onions are brown and soft.
Combine the cabbage to the pot and stir. Let cook together for 3-4 minutes.
Add the garlic, black pepper, caraway seeds, salt and jalapeƱo (if using).
Stir to combine. After 3-4 minutes, add the beer and stir to combine.
Let the beer cook/reduce for about 4 minutes.
Add potatoes and chicken stock. Stir and allow to come to boil.
Once boiled, reduce heat to a low simmer and let simmer for 40 minutes with a lid on the pot.
After 40 minutes, turn off heat, stir in apple cider vinegar and parsley.
Enjoy!