Wash the aubergine and slice into rounds. Add salt and let stand for 20 minutes. Pat dry with paper towel to remove the liquid that has accumulate on the aubergine. Fry in hot olive oil until soft. Set to the side to cool.
Fry onion and 1 pepper. Let cool.
Add cooled aubergine, onion, fried pepper, sliced tomatoes and the raw pepper to a salad bowl. Add oil, vinegar, salt and pepper. Sprinkle with minced herbs and serve.