Place the fish in a greased baking dish, preheat the oven to 200 ° C.
Mix together tomatoes (puree), broth, salt, pepper, creme fraiche and chili powder, pressed garlic clove and chopped onions and spread over the fish. Decorate with tomatoes, olive rings and onion rings and bake at 200 ° C for about 30 minutes.
Tastes good with a vegetable rice or goes well with potatoes.