Sumac

The fruits (drupes) of the genus Rhus are ground into a reddish-purple powder used as a spice in Middle Eastern cuisine to add a lemony taste to salads or meat. In Arab cuisine, it is used as a garnish on meze dishes such as hummus and is added to salads in the Levant. In Iranian (Persian and Kurdish) cuisine, sumac is added to rice or kebab. In Jordanian and Turkish cuisine, it is added to salad-servings of kebabs and lahmacun. Rhus coriaria is used in the spice mixture za'atar