1. Pre-heat oven to 180C (350F). Heat oilve oil in a large frying pan over medium to high heat. Add onion and fry for 2 minutes, then add bell pepper and fry another 2 - 3 minutes or until starting to soften.
2. Add tomatoes, peri-peri and wine and season to taste with salt and pepper. Bring to boiling point, cover and reduce heat. Cook for 15 minutes, then remove lid and cook another 5 minutes over medium heat to evaporate most of the liquid and allow the sauce to thicken.
3. Toss prawns and herbs through, then spoon into an oven dish. Dot with feta and bake at 180C (350F) for 25 - 30 minutes.
Serve with orzo or crusty bread, and simply sauteed veggies or a fresh salad.