1 1/2 lbs tomatillos
1-2 jalapeño chile peppers, or 2-3 serrano chili peppers (include the seeds if you want the heat, remove them if you don't want the heat), stems discarded, chopped
1 clove garlic, chopped
1 teaspoon salt
2 Tbsp lime (or lemon) juice
Pinch of sugar
2 lbs boneless, skinless chicken thighs or breasts, trimmed of excess fat, cut into 1-inch cubes
Salt and pepper
Olive oil
2 yellow onions, chopped
2 cloves garlic, minced
1 teaspoon ground cumin
1 teaspoon ground coriander
1 1/2 cup chicken stock
2 cups tomatillo sauce
1 teaspoon dry oregano or 1 tablespoon fresh, chopped
1/2 cup packed chopped cilantro (about one bunch, rinsed and chopped, stems and leaves)