WTF Fun Fact – How Many Peanuts In Peanut Butter

Peanut butter manufacturers fought a 12 year legal battle with the FDA over the minimum peanut content required to be legally labelled “peanut butter”. Anything under 90% peanuts must be labelled “peanut spread”. – WTF Fun Facts

Source: https://www.atlasobscura.com/articles/why-midcentury-lawyers-spent-12-years-arguing-about-peanut-butter.amp