Interesting how this thread has gotten off on unleavened bread vs. leavened bread.
I agree with Evangelical's citation of 1 Cor 5:8 and the fact Jews served unleavened bread at "the feast" to support a position on this topic.
However, Ohio makes a great point of not missing the real point... not celebrating the Lord's table when our houses (and bread) have the leaven of malice and evil in them. Instead we are charged to purge out malice and evil in our houses and what is served up in the assembly when remembering the Lord.... just as carefully as the Jews were about not having leaven in their houses or bread during the Passover.
Thanks Sons to Glory for citing Ephesians 4:13. It will be a glorious day indeed. Here is the whole verse
https://biblehub.com/ephesians/4-13.htm
OK, have we beaten this bread, er topic long enough?