In the Palestinian territories, some of the main ingredients of maamoul, namely dates and walnuts, are grown locally. The dates, the best type being Mejdool, come from Jericho and the farms in the Jordan Valley, in the east of the West Bank. While most people have walnut trees In their gardens, they also grow abundantly on the region's hilltops – from Al-Khalil (also known as Hebron) in the south to Jenin in the north.