Za'atar is a Middle Eastern spice blend that typically includes dried thyme, oregano, marjoram, sesame seeds, and sumac. It is known for its earthy, tangy flavor and is often used to season meats, vegetables, and breads. This versatile blend can be sprinkled on dishes or mixed with olive oil to create a flavorful dip. Za'atar is not only popular in cooking but also holds cultural significance in various Middle Eastern cuisines, where it is enjoyed as a traditional accompaniment to meals.