Lightly brush bread with olive oil. Put 1 loaf in the microwave on a plate, cook for 1 minute, turn over and cook for a further minute, repeat for each loaf. Allow too cool.
Cut vegetables and place into salad bowl. Break bread into small pieces & add to bowl.
For the dressing, combine all ingredients into a small bowl and whisk
Pour dressing over assembled salad, sprinkle with sumac and serve alongside your favourite lamb dish.