Abu Hurairah (May Allah be pleased with him) reported:
Messenger of Allah (ﷺ) said, "The food of two persons suffices for three persons, and the food of three persons suffices for four persons."[Al-Bukhari and Muslim]. (FR)
App reference (FR): Book 3, Hadith 28 (FR)
Arabic/English book reference (FR): Book 3, Hadith 755 (FR)