Step 1

Place all ingredients in a blender and process until smooth, stopping to scrape down the sides if necessary. Use immediately or keep leftovers refrigerated for about 3 days.

Step 2

Toss the lettuce, black bean, corn, tomatoes, bell peppers, avocado, red onion, and cilantro in a large bowl.

Step 3

Drizzle the salad with avocado dressing, or serve it on the side. Garnish the salad with spring onions.