Remove any wilted leaves from the cabbage. Cut the cabbage into quarters, remove the core, and shred it. Shred the carrots.
Whisk together the mayonnaise, Dijon mustard, apple cider vinegar, sugar, salt, and pepper in a large bowl until smooth.
Add the cabbage, carrots, and green onions.
Stir until the vegetables are evenly coated with the dressing.
Serve immediately or refrigerate until ready to serve.
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Notes
Notes: If you like creamier coleslaw, you can double the mayonnaise, mustard, salt and pepper for this recipe to create more sauce. Also, to save time, you can also use a prepackaged coleslaw mix. Refrigerate any leftover coleslaw in an airtight container for up to 5 days.