How Do You Iterate on a Food Product?

It took a ton of iteration to really land on a grain free product that had a grain like experience. And so without what's really difficult about cereal is you can't just ean o, run ten or 20 pounds of the product and see if it works. You have to run thousands, tens of thousands of pounds of product that may not even be biable. I'll get to take take two years as ter. Lots of iterations through the la, the product talk es about, talkers about tell how do you iterate on a food product? What are you looking forcount what kind of changes are important to to make? Wt, what ind changes did you find were important