Cut the pike perch fillet into large cubes. Cut the bell pepper into quarter rings. Cut the carrots into thin circles. Cut the potatoes into small 1 cm cubes. Cut the cherry tomatoes in half. Cut the onion into thin half rings. Crush the garlic.
Line a baking dish with foil and place the pike perch on it. Salt and pepper the fish to taste.
Place onions and potatoes on top of the pike perch. Salt and pepper the onions and potatoes to taste. Add garlic, cherry tomatoes, bell peppers and carrots. Season everything with salt and pepper again and sprinkle with Provencal herbs. Drizzle the fish and vegetables with vegetable oil.
Cover the dish with foil and put the dish in the oven for 40 minutes at 200 °C. Baked white fish with vegetables is ready. Enjoy!