Does Buttercream Cake Need to be Refrigerated?

When it comes to cakes, buttercream is one of the most popular frosting choices for its rich and creamy texture. But, it’s essential to know how to store your buttercream cake correctly. Whether you’re a professional baker or just a home baker, you may have wondered whether buttercream cake needs to be refrigerated or not. In this article, we’ll explore this topic and give you all the information you need to know to keep your buttercream cake fresh and delicious.

What is Buttercream Frosting?

Buttercream frosting is a type of frosting made with butter, sugar, and cream. People use the classic frosting to decorate cakes, cupcakes, and other desserts. People know buttercream frosting for its creamy and smooth texture, which makes it perfect for decorating and piping.

Ingredients of Buttercream Frosting

Buttercream frosting typically consists of butter, powdered sugar, vanilla extract, and heavy cream. Some recipes may also include additional flavorings or ingredients such as cocoa powder or fruit puree.

Why Do Cakes Need to Be Refrigerated?

Refrigerating cakes prevents the growth of harmful bacteria that can cause foodborne illnesses. Cakes left at room temperature can create an ideal environment for bacteria to grow due to the moisture and heat.

Does Buttercream Cake Need to Be Refrigerated?

If the buttercream cake contains any perishable fillings or toppings like fresh fruit, cream cheese, or whipped cream, you should refrigerate it. However, if the cake does not contain any perishable ingredients, it can be stored at room temperature for a short time.

Recommended Reading: How Long Can Cake Sit Out Unrefrigerated?

How to Store Buttercream Cake?

To keep a buttercream cake fresh when it needs refrigeration, you must store it properly. Here are some tips on how to store your buttercream cake:

  • Wrap the cake in plastic wrap or aluminum foil to prevent it from drying out.
  • Store the cake in an airtight container to keep out moisture and odors.
  • Place the cake in the refrigerator, preferably on the top shelf, where it’s the coldest.

How Long Can You Keep Buttercream Cake?

You can store buttercream cake in the refrigerator for up to 5 days. However, it’s best to consume it within the first 2-3 days to ensure it’s fresh and delicious.

How to Tell If Your Buttercream Cake Has Gone Bad?

If you store your buttercream cake correctly, it will last for a few days in the refrigerator. However, if you notice any of the following signs, it may be time to toss it out:

  • The cake has an off smell or taste.
  • The frosting has a discolored appearance or slimy texture.
  • The cake feels moist or soggy.

Tips for Keeping Your Buttercream Cake Fresh

Here are some tips for keeping your buttercream cake fresh:

  • If you’re transporting your cake, keep it in a cool place, like a cooler, to prevent it from melting.
  • If you’re storing your cake in the fridge, make sure it’s not next to any strong-smelling foods, as the cake can absorb the odors.
  • Before serving the cake, let it come to room temperature for about 30 minutes to ensure it’s soft and fluffy.

By following these tips, you can ensure that your buttercream cake stays fresh and delicious for as long as possible.

Frequently Asked Questions

Can I freeze buttercream cake?

Yes, you can freeze buttercream cake for up to 3 months. Wrap the cake in plastic wrap and then in aluminum foil before freezing it.

Can I leave buttercream cake out overnight?

Leaving buttercream cake out overnight is not recommended, as it can spoil and become unsafe to eat.

Can I store buttercream cake in the freezer?

You can store buttercream cake in the freezer, but make sure to wrap it properly to prevent freezer burn

How long can I leave buttercream cake at room temperature?

You can leave buttercream cake at room temperature for up to 2 days if it doesn’t contain any perishable ingredients.

Can I store buttercream cake in the fridge with fondant decorations?

Yes, you can store buttercream cake with fondant decorations in the fridge, but be aware that the fondant may become sticky when it comes to room temperature.


Whether or not you need to refrigerate your buttercream cake depends on whether it contains any perishable ingredients. If it does, then it’s best to store it in the fridge to keep it fresh and safe to eat.

Otherwise, you can store it at room temperature for a short time. Remember to follow the tips we’ve outlined to ensure your cake stays fresh and delicious.

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