1. Preheat the oven to 210°C (425°F).
2. Roughly blend the corn flakes, peeled almonds, and dried tomatoes in a food processor.
3. Season the fish fillets with salt and pepper.
Place them in an oiled roasting dish, cover them with halved cherry tomatoes (and optional sliced bell pepper), and then with the corn flakes/almond mixture.
4. Sprinkle the mixed herbs of Provence and minced garlic clove on top.
5. Drizzle with a little olive oil.
6. Slide the dish into the hot oven for 10 minutes.
Turn off the oven without opening it and let it cook for another 5 minutes.
7. Drizzle with olive oil before serving.