The finished recipe. Greek Seabream with Lemon and Oregano PotatoesIngredients 1 to 6. 170 g Seabream fillet (Weighed raw, skin on unless the method says otherwise. Cooked weight is roughly 20% less for the same fillet.). 200 g Potato (Raw, peeled weight.). 8 g Olive oil. 100 g Cherry tomatoes. 50 g Onion. 2 cloves, about 6 g GarlicIngredients 7 to 9. Of one lemon Lemon juice. One teaspoon Dried oregano. To taste SaltStep 1. Heat the oven to 200°C. Cut the potato into wedges and toss them in a small roasting tin with the sliced onion, garlic, oil, lemon juice, oregano, salt and 100 ml of water.Step 2. Roast for thirty minutes, turning once, until the liquid has mostly gone and the potatoes are starting to brown.Step 3. Add the tomatoes and lay the seabream on top, skin up. Season it and roast for fifteen more minutes until the skin blisters and the fish flakes.Step 4. Spoon the tray juices over the fish to serve.