Dry roast chiles, put in boiled water 30 minutes.
Puree garlic, chilies, and cumin.
Brown pancetta - remove
Brown meat and onion in a dutch oven in EVOO, 10 minutes.
Add chile puree, stir till thickens, then add 4 cups water, simmer, uncovered, for 45 minutes. Add tomatoes, beans, masa harina (mixed with 1 cup water), and salt.
Partially cover and simmer until thick, 30 minutes, stirring frequently. If too thick, add more water.
Add some cilantro the last 10 minutes
Serve with cheeses, chives, cilantro, chopped pancetta and tortilla strips.