This is the Best Summer Side Dish for your summer BBQ. It's a black bean, bell pepper, corn, and avocado salad in a lime vinaigrette. It is so fresh and yummy.
Combine bell peppers, black beans, corn, onion, garlic, salt, sugar and cayenne pepper in large bowl and set aside. In medium size bowl, make vinaigrette, whisking together lime zest, lime juice and extra virgin olive oil. Pour vinaigrette over ingredients in large bowl and let it chill in refrigerator a minimum of 30 minutes. Before serving, cut and add in avocado and gently stir.