In a small mixing bowl, combine the mayonnaise, sour cream, lime juice, and taco seasoning. Whisk until well blended and smooth.

In a large bowl, add the coleslaw mix, diced red bell pepper, halved grape tomatoes, rinsed black beans, and drained grilled corn. Add finely chopped jalapeno and chopped cilantro, then gently fold the ingredients together.

Pour the dressing over the mixed vegetables and stir until all the veggies are coated, being careful not to overmix.

Sprinkle with kosher salt and freshly ground black pepper to taste. Stir gently to integrate the seasoning.

Cover the bowl with plastic wrap or transfer to an airtight container. Refrigerate for at least 30 minutes before serving.

After chilling, stir again and serve as a side dish with tacos or grilled meats.