Rinse beans well. Cover with cool water & soak 2 hours, drain. Place beans in large pot with chicken stock & bring to boil over high heat.

In a sauce pan heat butter over med heat. Add garlic, onion, & chilies. Sauté for 5 minutes. Add chilies mixture to pot w/ beans.

Add chicken, cumin, oregano, pepper, white pepper, pepper flakes & cilantro.

Lower heat to medium & cook stirring occasionally about 1 1/2 hours.