In a medium bowl, whisk together the mayonnaise, sour cream, lime juice, and taco seasoning until smooth.

In a large mixing bowl, combine coleslaw mix, red and orange bell peppers, black beans, corn, cilantro, and jalapeño.

Pour the chilled dressing over the salad mixture and toss gently to combine.

Garnish with additional cilantro, transfer to a serving bowl, and serve immediately.