"This salad is very pretty when served in a large bowl, and is bursting with lots of fresh flavors. You can spice it up by substituting jalapeno peppers for the chile peppers. The dressing is fabulous for all types of salads."
Mix dressing mix, buttermilk, yogurt, and taco seasoning mix together in a mixing bowl.
Line a large serving bowl with the torn lettuce.
Mix roasted peppers, black beans, corn, onion, and green chiles together in a bowl. Spread mixture over the lettuce. Top with tomatoes; sprinkle with Cheddar cheese. Arrange avocado slices in an overlapping circle. Garnish with cilantro. Serve with dressing on the side.