Line a large serving platter with salad greens. In a medium bowl combine black beans, corn, jicama, and tomato. Spoon mixture over greens. Arrange avocado and chile pepper slices over bean mixture. Top with chips, salsa, and cheese. Drizzle with Cilantro Ranch Dressing.
Cilantro Ranch Dressing
In a small bowl whisk together sour cream, buttermilk, cilantro, chives, lime juice, garlic, and chili powder.