In large stock pot or Dutch oven over medium heat, add olive oil. Add pork and saute 5 minutes, adding cumin and coriander after 2 minutes. Then, add onions and celery and cook 5 minutes.
Add garlic and jalapenos and cook 1 minute.
Add salsa verde and chicken stock to pot and stir. Bring to boil, then reduce to simmer. Let simmer 15 - 30 minutes.
Mix in lime juice, then season with salt and pepper. Garnish with cheese and crushed red pepper flakes, if desired.