"This is not enough. It is barely enough for two people. This needs to feed seven people," said Mohammed Al-Shondogli, a displaced Palestinian from Jabalia.

A U.N.-backed report in December said all of Gaza's 2.3 million people faced crisis levels of hunger, with the risk of famine increasing every day and the proportion of the population facing acute food insecurity rising to the highest ever recorded globally.

Nearly all aid arriving in the enclave goes through Rafah, on the border with Egypt, and humanitarian agencies have cited problems distributing supplies.