In a blender Combine 1 Avocado, Olive Oil, Water, Lime juice, Cumin, Salt and Pepper and blend until smooth. Add Jalapeno to taste. You may add additional water a tablespoon at a time to thin it out if you prefer.
In a large bowl put the Spinach, Corn, Black Beans, Bell Peppers, Tomatoes and Red Onion toss to combine.
Place some of the salad mixture in a serving bowl, garnish with the diced Avocado and Cilantro. Dress to taste.
Optional, dress the salad first then garnish with the diced Avocado and Cilantro.