More and more people are aware of sumac, one of the essential spices in Syrian and Middle Eastern cuisine. It's good to have some in your spice drawer, but you also have to use it! I created this recipe to help you tame sumac. A simple, tasty, and versatile recipe that you'll want to cook often.

One day, at a dinner party at my brother's house, my sister-in-law, Rana, placed a fattoush in the center of...