French Onion Chicken and Cous Cous

1 kg chicken drumsticks
2 tablespoons oil
60k butter
1 onion
400 can tomatoes
41g packet french onion soup mix
1 tablespoon soy sauce
1 cup water
3 teaspoons cornfour
1 tablespoons water, extra

Heat oil and half the butter in pan, add drumsticks and brown; remove from pan.
Drain fat from pan, add remaining butter and sliced onion, cook until tender.
Add the undrained mashed tomatoes, soup mix, soy sauce and water, heat through.
Place chicken in ovenproof dish, pour sauce over, cover and bake in moderate oven (180 deg C) for 45 minutes.
Remove chicken, pour sauce into pan, stir in blended cornflour and extra water, stir until sauce boils and thickens, pour over chicken.