Combine dry spices to form a seasoning blend in the bottom of the slow cooker
Add all other ingredients to the slow cooker and cook on low for 8-12 hours.
To serve, drain the meat in a colander and return it to the slow cooker, or use tongs to allow some of the excess fluid to drain away.
Fill a taco shell or flour tortilla, or top a bed of tortilla chips, with green chile chicken.
Top with your choice of additional toppings, including some combination of cilantro lime rice, refried beans, pico de gallo, guacamole, shredded cheese, chopped lettuce and tomatoes, olives or sour cream.
Use green jalapeno sauce (like Tabasco brand) to add more heat as needed.