Forget about boring chicken - try this tasty dish!
Heat oil in a large frying pan. Sauté onion until soft. Add garlic and cinnamon. Sauté for 1 minute. Add chicken. Cook until well browned on all sides. Add stock and cilantro. Bring to a boil and reduce heat. Simmer for 20 minutes.
Add lemon zest and the olives. Simmer for a further 10 minutes. Transfer chicken to a serving plate. Bring sauce to a boil. Cook until sauce has reduced and thickened. Pour over chicken. Serve with lemon wedges.