The night before, wash beans and place in large kettle. Add water to half-filled
The next morning, bring beans and water to boiling over medium heat, stirring
to keep from burning. Reduce heat to simmer and cook 5 hours, uncovered, letting
beans "pack" (cook together) but adding boiling water as necessary to
keep beans covered.
After the first hour, add ham or salt pork.
After the second hour, add garlic.
After the third hour, add oregano, cumin and chiles.