Mooove over, butter. Everything from “I Can’t Believe It’s Not Butter!” to “plant” and “oat milk” butters are vying to unseat the spreadable dairy fat. That’s a good thing. Most wannabes have far less artery-clogging saturated fat...and more heart-healthy unsaturated fat. Here are 8 tips to help you find the best non-butters, plus what else does (or doesn't) matter.