Chicken with corn

1 pound shredded, cooked chicken 1 (15 ounce) can whole peeled tomatoes , mashed 1 (10 ounce) can enchilada sauce 1 medium onion , chopped * 1 (4 ounce) can[...]

4 dried mulato chiles 4 dried ancho chiles 4 dried guajillo chiles 4 dried pasilla chilies 2 teaspoons lard, or more as needed 1 large onion, peeled and[...]