3 ideas
Because Arab, Sephardi, Ashkenazi, Armenian and other communities cooked side by side in Jerusalem for centuries, borrowing ingredients, techniques and names from each other, dishes like hummus, falafel and stuffed vegetables have no single point of origin. Asking who owns a dish therefore turns culinary history into a territorial dispute, and the honest answer is that the food belongs to the whole city's layered population.
Reading a cuisine by where its ingredients, techniques and dish names came from reveals contact between peoples that political narratives leave out. A recipe carries evidence of neighbors trading, intermarrying, migrating and imitating one another, so the dinner table records a shared life that borders and official histories deny.
Tamimi grew up Palestinian in East Jerusalem and Ottolenghi grew up Jewish Israeli in the west of the city; both were born in 1968, but they met only as adults in London. By working together to reconstruct the food of the hometown they experienced from opposite sides, they showed that a shared culinary memory can survive, and even connect people across, a political division that kept them apart in the place itself.