It is traditionally served on Shabbat with challah or "home bread" (a traditional Moroccan bread just for serving with matbucha), and is a condiment typically served as part of an appetizer, often as part of a salatim, or salad course.
It is a customary practice to serve it on the Sabbath with challah or "homemade bread" (a special Moroccan bread designed specifically for accompanying matbucha), and functions as a condiment in the initial stages of a meal, often within a selection of salads.