Zaatar is a delicious seasoning blend that includes a mixture of spices. Some of the spices are pretty common, while others might be a little harder to come by, like Sumac. Here is a list of common spices and herbs that are used to make Za'atar Seasoning Blends. If using whole spices, it's highly recommended to toast them before you grind them. Sesame Seeds Ground Sumac Dried Thyme leaves Marjoram Dried Oregano Cumin Powder (preferably freshly ground cumin seeds) Corriander Powder (preferably freshly ground coriander seeds) Hyssop Dried mint Chili Flakes Lemon Zest Kosher Salt