A Passover cake is mostly fluffed up eggs
We don't make any cakes for Pesach.
Just this Shabbos my kids were commenting as food was placed on the table Friday night, that some people eat almost everything that here on Pesach. I am extremely grateful to G-d that after discussing various things that we do or don't eat on Pesach, and others that we could eat if we wanted to, my kids (of all ages) were unanimous is saying that they are very happy to keep things as is.