Wash the peppers well and pack them in a big piece of aluminum foil. Make sure that the vegetables are cover completely. Then place them in the oven and bake for 60 minutes in 180°C. When ready, leave the peppers to cool down a bit and peel them. It will be very easy. Place the peppers in a ceramic bowl and sprinkle them with olive oil, crushed garlic, salt and pepper. Serve the salad cold, especially for dinner.