Chop cabbage and celery. Grate carrots. Place in large mixing bowl. Set aside.
In a medium bowl, whisk together mayonnaise, sour cream, heavy cream, horseradish mustard, apple cider vinegar, lemon juice, monk fruit or stevia, celery salt, garlic powder, salt, and pepper.
Pour dressing over the bowl of vegetables. Toss until vegetables are well coated.
Serve with freshly chopped parsley.
Serving Size 1/2 cup