Wash duck breasts and pat dry with absorbent kitchen paper
Slice duck into 0,5 cm thick strips
Heat 3 tablespoons oil in a large frying pan, add duck and cook over a high heat for about 5 minutes, until browned all over
Remove duck from pan and set aside
Add onion to pan and cook while stirring for about 5 minutes or until soft
Stir in the cashew nut masala and turmeric and fry for 2 minutes
Stir in the coconut, sultanas, yogurt, cream and duck
Cover and cook over a low heat for 15-20 minutes, occasionally stirring, until duck is tender
Just before serving, heat remaining oil in a small pan, add cashew nuts and fry for 2-3 minutes until golden
Add chili and fry for 1 minute more
Transfer duck to a warm serving dish, spoon over casher nut and chili mixture
Serve hot