The so-called Lord’s Supper is now celebrated with a sip of wine (or juice) and a tiny piece of bread or wafer. Jesus and His disciples certainly ate more than that at the first last supper.
The Corinthians, and probably other believers too, seemed to treat the Lord’s supper as a shared meal. It’s otherwise hard to imagine some people eating so much that others miss out. Why else would Paul need to give this instruction?
1 Corinthians 11:33-34 So, my dear brothers and sisters, when you gather for the Lord’s Supper, wait for each other. If you are really hungry, eat at home so you won’t bring judgment upon yourselves when you meet together. …
It suggests the traditional morning tea or supper after church might more of a Lord’s supper than the church ritual we call Communion or Eucharist.