Peel onion and chop finely. Crush garlic and chop small. Heat butter in a frying pan. Add onion and garlic and cook 2 minutes, stirring constantly. Add turmeric, paprika, and oriander. Add cooked rice and roughly chopped peanuts. Mash bananas and add to rice mixture. Combine well. Stuff the chicken with this mixture. Place chicken and water in a roasting dish.
Bake at 350F degrees for 1-1 1/2 hours or until juices run clear.Serve cut into portions and serve with rice stuffing.