Melt the butter in a large pot, over medium heat.
Add dried onion, chopped celery, sliced mushrooms and garlic into the pot and cook for 3-4 minutes.
Add broth, sliced carrot, parsley, salt, and pepper. Simmer until vegetables are tender.
Add cooked chicken and cabbage. Simmer for an additional 8-12 minutes until the cabbage “noodles” are tender.