Abu Dharr (RAA) narrated that the Messenger of Allah (ﷺ) said:
"When you make some soup, make a good amount by adding plenty of liquid, and give some to your neighbors." Related by Muslim. (RU)
English reference (RU): Book 16, Hadith 1507 (RU)
Arabic reference (RU): Book 16, Hadith 1464 (RU)