We participated with the Messenger of Allah (may Allah's peace and blessings be upon him) in seven battles wherein we ate locusts.
Authentic hadithعن عَبْد اللهِ بن أبي أوفى رضي الله عنهما قال: «غَزَوْنَا مَعَ رَسُولِ الله صلى الله عليه وسلم سَبْعَ غَزَوَاتٍ، نَأْكُلُ الْجَرَادَ».
‘Abdullāh ibn Abi Awfa (may Allah be pleased with him) reported: We participated with the Messenger of Allah (may Allah's peace and blessings be upon him) in seven battles wherein we ate locusts.
Explanation
Allah, Glorified and Exalted, blessed the Prophet's Companions with seven battles wherein He provided them with locusts because they did not have sustenance, just like He supplied them in another battle with the sperm whale that was cast out by the sea, and they ate from it.
Source · Narrated by Bukhari & Muslim
From the Hadith Encyclopedia (hadeethenc.com).