Make the dressing by combining the lime juice, maple syrup, and olive oil in a large bowl. Whisk until thoroughly blended, and add salt and pepper to taste. Set aside.
Shred the red cabbage, green cabbage, and carrot either in a food processor with the shredding attachment or by hand with a box shredder. Place in the bowl with the dressing.
Slice the onion vertically into thin strips. Place in the bowl with the dressing.
Cut Serranos in half length-wise, seed them, then slice thinly width-wise. Place in the bowl with the dressing.
Chop cilantro finely. Place in the bowl with the dressing.
Toss the salad until thoroughly combined.
Taste to check for proper seasoning.
Cover and let sit in the refrigerator for at least an hour.
Keyword Cabbage, Cilantro, Cole Slaw, Lime Juice, maple syrup, Red onion, serrano peppers