Cut the zucchini into cubes. Wash the tomatoes and carve them crosswise. Season with salt and pepper
Wash the fish and dab dry. Bring just under 1/8 litre of slightly salted water and 1 tablespoon of lime juice to the boil. Steam the fish in it at low heat for 6-7 minutes. Remove the fish. Collect the stock
Heat the fat. Sweat flour and curry. Deglaze with 5 tablespoons of fish stock and milk, bring to the boil and cook for about 5 minutes. Season sauce with salt, pepper and lime juice
Place the fish, zucchini and tomatoes in a small casserole dish. Pour sauce over it. Bake in the preheated oven (electric cooker: 200 °C/ convection oven: 175 ° C/ gas: level 3) for approx. 12 minutes. Cut olives into slices. Sprinkle the fish pan with olives before serving. Serve with bread