Abu Huraira reported Allah's Messenger (ﷺ) as saying
Food for two persons suffices three persons and food for three persons suffices four persons.
Jabir b. 'Abdullah reported
I heard Allah'. s Messenger (ﷺ) as saying: Food for one person suffices two persons and food for two persons suffices four persons, and food for four persons suffices eight persons; and in the tradition transmitted on the authority of Ishaq there is no mention of the fact that he heard it directly (from the Holy Prophet).
A hadith like this is reported on the authority of Jabir but with a different chain of transmitters.
Jabir reported Allah's Messenger (ﷺ) as saying
Food for one suffices two and food for two suffices for four.
Jabir reported Allah's Messenger (ﷺ) as saying
Food for one (person) suffices two, and food for two (persons) suffices four persons and food for four persons suffices eight persons.