In a saucepan, pour 1/2 cup of broth and bring it to a simmer. Add the onions and garlic and cook until tender.
Drain and rinse the beans and place them in a saucepan. Add chilies, spices, and broth..
Bring to a boil and let simmer about thirty minutes.Meanwhile soak the sunflower seeds about 10 minutes then drain and puree with 1 tablespoon of water (if you want, you can substitute a couple of tablespoons of tahini. Add it to the beans and broth. Add the cooked chicken, top with onions, tortillas, and a splash of lime juice!