Add the ingredients to a serving bowl and massage to combine for 2-3 minutes.
Taste and season with ground sumac. Cover and set it aside for at least 30 minutes before serving.
Notes
Expert Tips:
If the raw onion flavor is too strong, soak the onions in cold water for 20 minutes to reduce the intensity. Drain the onions, pat them dry, and continue preparing the salad.
Nutrition Disclosure:
The nutritional information shown is an estimate provided by an online nutrition calculator. It should not be considered a substitute for professional advice.