So, to answer your question: yes, Swiss Meringue Buttercream does need to be refrigerated. But don't worry, it's not like it's going to spoil the moment you take your eyes off it. In fact, if you store it in an airtight container in the fridge, it can last for up to a week. That's plenty of time to decorate those cakes and cupcakes to your heart's content.
But here's the thing: temperature and humidity play a big role in how long your buttercream will last. If it's too warm or too humid, the butter can start to soften and even melt - which is basically a recipe for disaster. Think of it like leaving your ice cream outside on a hot summer day: not a good idea, right?
So, what's the best way to store your Swiss Meringue Buttercream? Well, for starters, make sure you're using an airtight container. You can even use a plastic bag or wax paper to keep it fresh. And when you're not using it, just pop it in the fridge and keep it chilled. Easy peasy.
Should Buttercream Icing Be Refrigerated? Storage Tips For Freshness
