Combine chicken, onion, carrot, bell pepper, cilantro, and capers in a bowl and mix well. Combine mayonnaise, sour cream, TABASCO® Green Sauce, lemon juice, cumin, and salt to taste in a small bowl and mix well; pour over chicken mixture and toss well.
Serve on lettuce leaves with avocado wedges and sprinkle with paprika. Add more TABASCO® Green Sauce, if desired.
Makes 4 servings.