mix all ingredients (apart from tuna & rice) together in a large shallow dish and leave to infuse
add tuna steaks and leave to marinate 3 Hours prior to cooking
preheat grill and place tuna steaks on grill tray and baste with marinade throughout cooking time, turning once...
cook rice and serve with tuna steak on top and pour over any remaining marinade and serve
cooking time for a medium tuna steak is approx. 5 mins, this can be adjusted according to personal preference
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