In colander, rinse rice several times until water runs clear. Place rice in pot and add chicken stock. Bring to a boil then cover and simmer for 20 minutes. Do not overcook.
Saute garlic, onions and bell peppers in vegetable oil until soft for about 15 minutes. Season with salt, pepper, thyme, bay leaf and cayenne and add to rice. Cook sausage and ground beef together in sautepan and add to rice.
In separate pot place giblets, cover with water and simmer for 30 minutes with green onions, salt and pepper. Let cool enough to chop into small dice then add to rice mixture. Mix rice well and let simmer on lowest heat for an additional 30 minutes, stirring continuously, until flavors meld.