Because it's originated from Jordan & especially the city of Karak & is eaten as the favorable meal in all Jordan. However, it's well-known now in many other Arabian countries.
Jordan
The national dish of Jordan is mansaf. It is a traditional dish made of lamb cooked in a sauce of fermented dried yogurt called Jameed and served with rice or bulgur.
A common dish in Jordan is mezze. This type of dish includes a small salad, appetizer, and drinking. This is served before a large meal.
One meal would be Mansaf; a large tray of rice with junks of stewed lamb and jameed. (Jameed is a yogurt sauce) This is Jordan's national dish.
The national food of Jordan is mansaf, which is lamb cooked in a sauce made of yogurt. It is served with rice.
The national dish of Jordan is mansaf, also spelled mansef. It is usually made with chunks of boiled lamb, a yogurt sauce made out of jameed, and all piled high on a bed of rice w/bread on the bottom. It can be garnished with toasted pine nuts and almonds.
Meats such as camel, beef and poultry are eaten but pork is strictly forbidden. Dairy foods such as cream, milk and especially yogurt are enjoyed. To round out the diet, grains, rice, fruits and vegetables are also eaten. i hope that helped :)
mansaf is one of their favorites food.
The national dish of Germany is Sauerbraten ...
my answer is that the national dish is empanada
Feijoada is the national dish of the country of Brazil.
In urdu we call it "SAAG" , The national dish of punjabi's