Preheat your oven to 400 degrees F (200 degrees C). Place the flounder fillets in an oven-safe dish. Then, slice the red onions and place them on top.
Step 1
Step 2
Slice the bell pepper and tomatoes. Scatter these vegetable slices evenly over the top of the flounder fillets. Distribute the pitted olives over the fish and vegetables.
Step 3:
Mince or finely chop the garlic and sprinkle it over the fish and vegetables. Add the oregano, sumac, cumin, Aleppo pepper, and salt, ensuring even distribution.
Pour the olive oil over the fish and vegetables, making sure everything is lightly coated. Add the spices.
Step 4
Bake for 20-25 minutes until the fish flakes with a fork. Let cool slightly, then enjoy your baked flounder with seasoned vegetables.