1. Remove stones/debris by rinsing in a colander
2. Soak in water (top off with 2-3 inches of water for >= 8 hours)
3. Sauté half an onion and jalapeño in a large pot on medium heat
4. After Onion softens add:
   • cumin
   • drained beans
   • water
   • oregano
   • salt and pepper
5. Cook until beans are falling apart and the liquid has thickened (at least 1 hr)
6. Season:
   • squeeze of lime juice
   • more salt and pepper
   • chili powder
7. Garnish the pinto beans with cilantro and red pepper flakes