How to Store Leftover Icing and Fondant

August 3rd, 2016 by Stephanie Michel

BuIcSt30788 11You’ve just finished making another cake! You step back to look at your beautiful creation and let the feeling of accomplishment sink in. Then you look at your kitchen, as the next step is one of the most dreaded parts of cake decorating: the clean-up. While Wilton unfortunately cannot assist in cleaning your kitchen (believe me, I’ve asked!), we can help give you some tips on how to store leftover icing and fondant.

If you’re anything like me, you’re an over-planner. I always make extra of everything because you just never know what’s going to happen. So when a cake is done, I always have extra icing sitting there that I don’t want to go to waste. This raises two questions – how do you store it and how long for? Each icing is different so I’ve laid it all out for you below.

How to Store Buttercream Icing

Buttercream is the best icing to store, because it lasts a long time! Once you are done, place all leftover buttercream in an airtight container. If you know you will be using it soon, you can place it in the refrigerator for up to 2 weeks. If you aren’t planning on using it for a while, place that air tight container in the freezer for up to 6 months. When you’re ready to use it, remove it from the refrigerator (or freezer) and allow it to come back up to room temperature. Be sure to place it back in your mixer and whip it again to get it back to the right consistency.


When storing royal icing made with our meringue powder, store it in an airtight container and keep it at room temperature for up to 2 weeks. Before using, beat well at low speed. If you don’t have plans to use the icing within 2 weeks, another option is to pipe out some flowers and let them harden. Hardened royal icing decorations can be stored in a covered, NON-airtight container (like a cake box) for years! They’re great to have on hand for future cakes.


Sadly, fondant does not keep as well as the icings. Once pre-made fondant, like Decorator Preferred Fondant, has been opened, the best way to store it is to cover it with a thin layer of shortening, wrap it tightly in plastic wrap and then place it in an airtight container. This may seem like overdoing it, but in my experience this has worked the best. Store it at room temperature. There’s no exact timeline for how long it will last, as it depends on the environment and conditions it’s stored in. Fondant will start to get a crusty layer on top (the shortening helps resist this) the longer it sits. When it starts to crust, the fondant is no longer workable.

Hopefully, with these storage tips, you can extend the life of your icing or fondant and get more use out of them!

Stephanie Michel Stephanie is an Assistant Culinary Specialist in the Wilton Test Kitchen and is a Certified Wilton Method® Instructor. Her love for baking began at an early age and she has enjoyed learning more about baking and cake decorating since she started working at Wilton in 2010. When she is not baking for her friends and family, she spends her free time with her dog, Checkers.

7 Replies

  1. Thank you so much for the tip on storing buttercream icing. I was just wondering yesterday about freezing it . This is great to know since I always have left over and just hate throwing it away. And I must add that every single Wilton Product that I have ever purchased has been great!! I couldn’t even think of using any other products for my cake decorating.

    Rhonda O’Neal

  2. Bimpe Adeloro says:

    Thanks for the tips above. They will be very helpful. I was wondering if you ship your products to Nigeria. I took some of your decorating classes in Texas, USA and I just fell in love with your products. Can similar classes be organized in Nigeria?

  3. Elaine says:

    What is the best way to store buttercream flowers. I have to make hundreds for a huge cake and will take me 6 weeks to make enough. Should I freeze the flowers until time to use?


  4. Michelle says:

    Hello, I have purchased your fondant, can I cover my with fondant cake, then put in refridgerator to store, will it be ok?

  5. Madhavi says:

    How long can i store fondant cake toppers and can you please tell me how to store?

  6. Cynthia G. Milan says:

    I want to make a red hat with a Russian tip rose for a Ladies club called “The Red Hats”:
    I’m going to take a huge Marshmallow…cover it with red fondant …and pipe a red rose with a Russian Tip add a few tiny leaves.

    This will go on top of a frosted cupcake.

    My question is this…

    How long will that hat, rose look pretty after I assemble it ???…how long will it be edible after I assemble it ???…Or should I assemble the hat and rose decoration and freeze it then put it on the cupcake at the last minute before serving.

    Thank you so much
    I need a second opinion

  7. Kimberly Merchant says:

    Hi, can i tske the tips off the piping bag and store the frosting in the bag within a freezer bag? Or is the wilton bag not meant to be frozen? Thanks! Kim

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