Chickpea Kale Sweet Potato Stew

2 cups cooked chickpeas (or 2 cans, drained & rinsed)

2 cups soup stock, bean cooking liquid, or water

1 medium sweet potato or yam, peeled, chopped in bite size pieces

2 stalks celery, trimmed and sliced thin

4 cups chopped kale

1 Tbsp (2 - 3 cloves...