Git: I don’t understand what you’re trying to do. Talk within Halachah. The Ashkenazic Minhag, as codified in Halachah, is to not have rice on Pesach. There are Halachos about when you’re allowed to eat on one of these fast days. Look them up. Actually, look up whether or not you have to fast these at all first. You might be surprised when you start learning.
