1. Place the fish on a plate or tray. Mix 1 tbsp of the Canderel with the lemon zest and juice, paprika and olive oil, season and brush over the fish. Set aside.
2. Heat the oven to 200C/ gas 6. Place all the vegetables except the tomatoes in a deep roasting tin, drizzle over the oil and toss together, season with salt and pepper and scatter over the remaining Canderel. Place in the oven to roast for 30 minutes.
3. Remove the tin from the oven, place the tomatoes amongst the vegetable, scatter over the basil, then lay the fish on top.
4. Return to the oven and roast for a further 15 minutes, if wished when the tomatoes are cooked, they can be squashed and mixed with the other vegetables.
5. Scatter in the basil leaves. Lift the fish onto serving plates, spooning the vegetables around. Serve with watercress, spinach and rocket salad and boiled new potatoes.
Tip: other varieties of fish would also suit this recipe such as salmon, cod, trout, tilapia or sea bream fillets.