Heat oil in an ovenproof casserole or Dutch oven over medium heat. Add onions; cook, stirring often, until softened, about 4 minutes. Add garlic and ginger; cook for 1 minute, stirring constantly.dd chicken; cook, stirring often, for 8 minutes. Stir in coriander, cumin, cinnamon, salt, pepper and cloves; cook until aromatic, about 20 seconds. Stir in broth, kumquats, chickpeas and honey. Bring to a simmer.
Cover the pan and transfer to the oven. Bake, stirring occasionally, until the chicken is cooked through and the broth is bubbling and somewhat reduced, about 1 hour.