1 pound dried navy beans
5 cups chicken stock
4 tablespoons (1/2 stick) butter
1 tablespoon minced garlic
3/4 cup diced onion
1 1/2 cups chopped green chiles (fresh or canned)
1 pound boneless, skinless chicken breasts, finely chopped
1 tablespoon ground cumin
1 tablespoon dried oregano
1 to 2 teaspoons ground black pepper
1/2 teaspoon white pepper
Pinch red pepper flakes
1/2 bunch cilantro leaves, chopped