Air exposure will oxidize the fat in butter, making it more susceptible to spoiling. Here’s what you can do to make room temperature butter last all 14 days: Minimize light, heat and air exposure. That being said, does natural peanut butter actually need to be refrigerated? Like many people, Joelle Mertzel, a mom and resident in Los Angeles, California, always thought butter ought to be kept in the fridge, seeing how, one, it's a dairy product; two, the label says "keep refrigerated"; and three, it's sold from refrigerated cases in the store.The logic follows. Truth is, natural peanut butter does not need to be refrigerated, but I highly recommend that you keep it in the fridge. In other words, butter does not need to be refrigerated for safety purposes. If you prefer not to refrigerate your peanut butter, aim to keep it in a cool, dark place, such as the pantry. Refrigerated SunButter stays fresh longer, but you can safely store it in a cool place. So if you want to leave some of your butter out on the counter, only do it with the stick form, and only when it’s been pasteurized. But does butter need to be refrigerated? Whether it’s OK to leave butter out at room temperature or not is a hotly debated issue. Some labels clearly state the product should be refrigerated, but then the nut butter hardens to an unusable texture. Other labels are less clear, making you wonder how to keep it food-safe. Because butter can be stored safely in either the refrigerator or on the countertop, we also wanted to know which of the two yielded the best flavor, which is why we called on the head chef of … Not necessarily. SunButter does not need to be refrigerated–it is entirely personal preference whether SunButter is stored in the refrigerator or cupboard. So, does it go in the fridge or doesn’t it? Knowing when to refrigerate peanut butter can be a bit of a head-scratcher, especially if there aren’t any instructions on the jar’s label. Alexeg84/Getty Images Is It Safe to Leave Butter Out? A stick of butter that’s bound to be melted can start off ice cold straight from the fridge, but if you need softened butter for slathering on toast, creaming with sugar, or whipping into a fluffy buttercream frosting, you may prefer to leave it out on the counter indefinitely to keep it at that nice, spreadable consistency. Here, we explain. Any butter that hasn’t been pasteurized, like homemade, has to be refrigerated, along with butter spreads that you can usually buy in small tubs. Must one refrigerate one's butter, causing it to harden into an unyielding yellow brick, wholly unspreadable, good only for ripping one's toast or pancakes or muffins to shreds? Although it doesn’t need to be refrigerated, cold temperatures ensure it lasts longer. With that mindset, I’ve always stored it in my fridge and taken out just a serving or two to soften if we are having something like toast that requires it to be spreadable. Or may civilized folk instead leave it fondly on the counter, so that it remains soft, … Cold peanut butter is so much harder to spread, so ignoring what the label tells you to do is the easiest option. Much like hot sauce, ketchup and other pantry essentials, it’ll last at room temperature longer than … I grew up thinking never to do this — that it would most definitely go bad. Butter, indeed, goes bad—eventually. Keeping butter in an airtight container like a crock makes butter last at room temperature longer (about 2 weeks), but when room temperature rises above 70° F, all butter should be refrigerated. (We don’t judge!) Nut butter keeps you full for hours and fulfills your healthy fat needs, but it’s not uncommon to feel uneasy about the way you store it.