To start, blanch and refresh the broccoli and the asparagus.
Cut the cherry tomatoes in half.
Cut the broccoli and the asparagus into smaller pieces.
Pop your grill on to a medium heat.
Place you fillets of mackerel onto a tray skin side up, brush with a little oil and place under the grill.
Place a frying pan onto the stove with a little oil and pop the blanched broccoli asparagus and the cherry tomatoes.
Season with a pinch of salt and a few turns of black pepper
Once the fish is cooked and the vegetables are nice and hot you are now ready to serve.