Heat the oil in a 6-quart heavy pot.
Add the meat and some salt and black pepper to taste.
Saute for 10 minutes, stirring every now and then.
Stir in the garlic, onion, jalapeno, garlic powder, cumin, mustard powder, and cumin, and cook for 5 minutes.
Stir in the tomatoes, beans, chilies, and broth.
Bring it to a boil and then turn the heat down and simmer for 30 minutes, stirring occasionally.
Add more salt and black pepper if needed and then add some lime juice.
Serve in bowls with tortilla chips, lime wedges and shredded cheese.