01 - In a large bowl, mix together the green cabbage, red cabbage, carrots, and green onions until evenly distributed.
02 - In a separate medium bowl, whisk mayonnaise, sour cream, apple cider vinegar, Dijon mustard, honey, celery seed, salt, and black pepper until smooth.
03 - Pour the dressing over the vegetable mixture and toss thoroughly to ensure all ingredients are coated.
04 - Taste the salad and modify seasoning as desired.
05 - Cover and chill the salad for a minimum of 30 minutes to allow flavors to meld.
06 - Give the salad a final toss immediately before serving.