1: Wash, trim and shave Brussels sprouts.
2: Slice apple and red onions, chop walnuts.
3: To make the dressing, shake olive oil, champagne vinegar, Dijon mustard, salt and pepper until well incorporated.
4: To a salad bowl, add shaved Brussels sprouts, apples, cranberries, red onions, walnuts and Parmigiano Regiano; pour dressing over and enjoy!