01 - In a large mixing bowl, toss together the shredded green cabbage, red cabbage, carrots, sliced bell pepper, green onions, and chopped cilantro if using.
02 - In a separate small bowl, whisk together the mayonnaise, Greek yogurt, apple cider vinegar, honey, Dijon mustard, salt, and pepper until smooth and well blended.
03 - Pour the dressing over the vegetable mixture and toss thoroughly with salad tongs or large spoons until every piece is evenly coated.
04 - Taste the slaw and adjust salt and pepper as needed to suit your preference.
05 - Serve immediately at room temperature, or cover and refrigerate for 30 minutes to allow the flavors to meld together.