1Roughly chop the coleslaw mix with a pair of scissors to make smaller pieces.
2Grate the purple onion.
3In a bowl, combine mayonnaise, heavy cream, apple cider vinegar, lemon juice, sugar, onion powder, garlic powder, celery seed, salt, and pepper to make the dressing.
4Pour the dressing over the coleslaw mix and toss to combine.
5Cover and place the coleslaw in the refrigerator until ready to serve.