Drizzle the fish fillets with lime juice and season with salt and pepper. Finely chop the onion, garlic and olives.
Heat the olive oil in a pan, fry the onion, garlic and olives in it. Add the tomatoes and season everything with salt, pepper, thyme, rosemary and sugar.
Put the fish fillets in a baking dish and spread the tomato mixture on top. Cut the sheep`s cheese into small cubes and sprinkle over the casserole. Bake in the preheated oven at 200 ° C (gas mark 3) for about 25 minutes. Serve sprinkled with herbs and colored pepper.
Fresh baguette and a mixed salad (not included) tastes good with it.