In a bowl, stir together the following dressing ingredients; mayonnaise, heavy cream, apple cider vinegar, garlic salt, pepper, parsley, and coriander. Whisk together.
Add the coleslaw mix and chopped onion to a large bowl, cover in the mixed dressing ingredients.
Toss the cabbage mix and dressing together until the cabbage is well coated
Refrigerate for one hour before serving (can last 3 days in the refrigerator if all ingredients are fresh and not expired). The salad is more crispy and nice if it is fresh.