For the marinade
- STEP 1
To make the marinade, mix all the ingredients together and pour over the mackerel. Cover and chill for 30 mins.
- STEP 2
Heat grill and put the mackerel, skin-side up, on a baking sheet lined with foil. Grill for 5 mins, then turn and baste with remaining marinade. Grill for 5 mins more.
- STEP 3
Cook the rice following pack instructions, then drain and toss with the spring onions and pepper. Serve with the mackerel.