Add a pinch of salt to two cups of water, dip the bread pieces in it and remove. Press the bread to squeeze out the water. In a salad bowl, mix together the bread, tomatoes, onion, cucumber and the fresh basil and chill in a refrigerator.
To make the dressing, mix together salad oil, vinegar, salt, pepper powder, dried herbs and mustard paste. Just before serving, remove the salad bowl from the refrigerator, add the dressing and mix thoroughly. Serve chilled.