The Food and Drug Administration is set to phase out the toxic green syrup in McDonald's Shamrock Shake by 2027. This article suggests that instead of avoiding the petroleum-based junk, these substitutes substitute natural colorings for the festive flavor. These recipes are tested using scientific criteria to be naturally green, cold, and minty, so we can focus on the true meaning of St. Patty's Day. The author suggests that while these recipes are not likely to convert hardcore fans, they could make an excellent swap for more nutrients, minerals, and healthy fats.