1 Heat the oven to 200°C (180º fan), 400°F gas 6.
2 Place the potatoes in a baking dish with the oil and season with salt.
3 Bake for 25-30 minutes until almost cooked. Remove from the oven and add the herbs and ham and place the fish on top.
4 Mix the tomatoes, garlic, sugar and red wine and season with salt and pepper. Pour over the potatoes and fish evenly.
5 Cover and bake for 15-20 minutes until the fish is cooked.