Step 1

Mix all the ingredients together in a bowl and set aside.

Step 2

Preheat the oven to 180C (350F/Gas Mark 4)

Step 3

Steam the sweet potato & baby potatoes for 3-4 minutes to par cook

Step 4

On a large oven proof tray (wide enough for the length of the mackerel fillets) place the prepared red pepper, courgette, par cooked sweet potato and par cooked baby potatoes

Step 5

Mix to combine everything and drizzle with a little rapeseed oil followed by a sprinkle of sea salt and fresh thyme

Step 6

Drizzle over half of dressing & carefully place the mackerel fillets flesh side down

Step 7

Drizzle over the remaining dressing and season the skin with sea salt

Step 8

Bake in the preheated oven for 15-20 minutes, until the fish is cooked through, and the vegetables are tender

Step 9

Scatter over the parsley, and garnish with lime wedges

Step 10

Serve straight to the table & enjoy