Falafel provided protein during Israeli rationing, helping boost its popularity.
After Israel’s independence, food rationing was introduced in 1949. Falafel benefited because it was inexpensive, filling, and made from ingredients that were comparatively accessible to ordinary households and food sellers. Legumes such as fava beans and chickpeas provide substantial plant protein, making the dish useful when meat was scarce or costly.
Rationing was not the only reason falafel became popular. The food was easy to prepare, store, fry, and serve quickly as street food. Its portability also suited sandwiches made with pita, salads, pickles, and tahini. Historian Gil Marks connected the later popularity of the pita falafel sandwich with Jewish Yemeni refugees in the 1950s, although a 1939 Palestine Post article already described falafel served in pita as street food.
Protein is the canonical answer, not vitamin C, calcium, or iodine. Falafel can contain minerals and fiber as well, but the historical account specifically emphasizes its protein content and the ready availability of its ingredients during rationing.