It turns out that bacon grease is actually pretty stable at room temperature, thanks to its high smoke point and low water content. This means that, unlike other types of fat or oil, it's not as prone to spoiling or becoming rancid. But that doesn't mean you can just leave it sitting out indefinitely - bacteria and other microorganisms can still grow in it, especially if it's exposed to air or light.
So, what's the best way to store your bacon grease to keep it fresh and safe to use? The answer is, it depends on how you plan to use it. If you're going to be using it within a few weeks, you can probably get away with storing it in an airtight container at room temperature. But if you want to keep it for longer than that, it's a good idea to refrigerate or even freeze it to prevent spoilage.
Amazon.com: 3 PACK HOT BELLY REAL BACON GREASE SHELF STABLE : Grocery
It's kind of like the difference between fine wine and beer - both can be delicious, but one is meant to be savored and aged, while the other is best consumed fresh. And just as you wouldn't leave a bottle of fine wine sitting out on the counter, you shouldn't leave your bacon grease sitting out at room temperature for too long. But with the right storage and handling, it can be a valuable ingredient to have on hand.
