Cover the bottom of a heavy duty pot with your favorite oil.
Add the onions.
Simmer on medium, stirring very often.
When the onions are clear, add the celery and continue to stir and saute.
When the celery starts to soften, add the bell pepper and garlic.
Continue to stir and saute.
Add a little hot water to help the veggies break down and blend a little more making a nice base.
Add the chicken, cut into small pieces.
When the chicken is no longer pink, add the sausage.
Continue to saute on low heat, stirring often for about 10 minutes.
Add the chicken broth and more hot water to desired thickness.
Add the green onions.
Lower the fire/heat as low as it will go, cover, and let simmer for about half an hour, stirring occasionally.