Take about 6 tbsp from the chicken oil and sauté the onion and bay leaves and zest in another pot until the onion is transparent. Put in the fried chicken into the pot.
Add the chicken broth, the rest of the marinade, cover and simmer for another 15 minutes or until chicken is done.
Remove the chicken and arrange in a platter. Strain the broth and return to the pot. Mix 1 tsp. flour in about 4 tablespoon water and dissolve the flour. Pour into the mixture and cook until thick.