In a large pan, melt butter or heat olive oil.
Add onion, celery, and carrots. Season with salt and pepper and cook until starting to soften.
Add garlic and other veggies. Season with ground sage or other seasonings and cook until starting to soften.
Add in chicken and cooked rice or pasta.
Add enough chicken stock to cover everything.
Cook on medium high heat until the stock is heated through and all the veggies are cooked.