Rinse and look through the dried beans. I rarely find anything but still look. Old habits die hard. Cover the beans with the water and add the celery and jalapeno. Simmer for 2 hours or until soft. Remove the onion and jalapeno.

Heat the oil and saute the onion until golden. Sprinkle with the sugar and stir. Add the garlic and cook another minute. Turn off the heat and add the cocoa, chili powders and vinegar. Stir this into the beans and simmer another 30 minutes.

Serve with a dollop of sour cream and some chopped cilantro if you have it.