
In a medium pot, add the potatoes and cover with water. Cook potatoes until they're half cooked. About 10 minutes.
In a large skillet or wide pot, add the oil and heat over medium-high heat.
Add the peppers and onions and saute for 2 minutes. Add the garlic and saute until soft and fragrant.
Add the tomatoes, capers and olives and cook for 2 minutes.
Add the dried herbs, fish stock and potatoes. Mix all ingredients well.
Season with salt and pepper both sides of the fish.
Add the fish to the skillet and cover with the sauce and vegetables. Cover with lid and cook for 10 minutes (or until fish is cooked through) over medium heat.
Once the fish is cooked through, season with salt & pepper according taste.