Use possible for corn. Cube the pork. Brown the pork in a heavy non-stick skillet (no oil). There is enough fat in pork shoulder. Don''t stir. 5 minutes. Boil posole in water (just to cover the pole). for 2 t0 4 hours under cover. . Add the pork. Add chili, garlic, a little bit of salt, and half of the cumin. Simmer for 1 to 1 1/2 hour. Add the rest of the cumin.