Bring a pot of water to boil. When it is boiling, remove from heat and add nopales. Let them soak for about 5 minutes.
While nopales soak, chop the tomatoes, onion, cilantro and peppers.
Rinse the nopalitos with ice water and set them on a paper towel to drain.
In a salad bowl, toss the chopped vegetables with the oil, lime juice, salt and pepper. Place the sliced avocado on top of the salad and garnish with cheese.
Makes: 4