Boil chicken, tomatoes, onion and chiles in enough water to cover.
When the chicken is cooked, remove and refrigerate for future use. Strain water and reserve. Place tomatoes, onions and chiles in blender.
Stir the peppers and onions into the water. Add chicken base and garlic powder. Boil it up again. Add salt if needed. Pour into serving bowls.
Top each serving with tortilla chips, a few sprigs of cilantro, shredded Monterey jack cheese and avocado slices.Makes 4 Source: