The addition of ingredients like green apple, walnuts and whole parsley leaves gives this side dish a more elegant spin. There's nothing wrong with a basic cabbage slaw, but when you're looking to dress up the picnic table, you've found your accomplice.
Gently squeeze any excess moisture from the cabbage. Add the cabbage to the dressing bowl, along with the parsley, walnuts, celery and apples. Toss and taste for seasoning. Add more salt and pepper if desired.