The use of Za’atar has a long history in Middle Eastern and North African cooking. It is also well regarded by ancient and modern physicians to be good for the digestive system and keep the mind alert.
Ras El Hanout is a spice mix from North Africa. Ras El Hanout is Arabic for "head of the shop" implying the best spices the seller has to offer. It can be used in many savoury dishes, rubbed on meat or fish, or stirred into couscous or rice.