In blender or processor, puree green chiles, lime juice and garlic. Set aside.
In a 3 quart pot, heat cooking oil over medium. Add chicken, salt, pepper and garlic powder. Cook for about 5 minutes or until chicken is almost cooked through.
Add green chile puree and water to pot. Bring to a boil.
Add uncooked pasta, reduce heat to medium/low. Cover and simmer for 10-15 minutes or until pasta is done.
Add cream cheese and stir until incorporated. Add black olives and stir.
Remove from heat, sprinkle shredded cheese on top. Cover 2-3 minutes until cheese has melted.
Serve with a dollop of Taco Bell Sour Cream Dip on top.