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A cake with Swiss buttercream frosting on a cake stand.

Easy Swiss Buttercream Frosting

Last Modified: July 25, 2021 // by Tracy Ariza, DDS // July 25, 2021 I may receive a commission if you purchase through links in this post. Learn more here.

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Creamy, stable, and easy to spread, this swiss buttercream frosting is, by far, my favorite. I've tried many frosting recipes, but this one usually ends up on some part of every cake I bake. #buttercream #frosting #thethingswellmake #miy
Creamy, stable, and easy to spread, this swiss buttercream frosting is, by far, my favorite. I've tried many frosting recipes, but this one usually ends up on some part of every cake I bake.

Creamy, stable, and easy to spread, this swiss buttercream frosting is by far my favorite frosting. I’ve tried many buttercreams and ganaches, but this one almost always ends up on at least part of every cake I bake.

A cake with Swiss buttercream frosting on a cake stand.
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Over the years, I’ve baked many cakes. While difficult to admit, many of them were made with box mixes and packaged frosting.

When I moved to Spain, things changed. Here, people don’t make cakes in the same way. You can’t just go to the supermarket and buy a box of cake mix and a tub of frosting. I needed to start making cakes from scratch. While I found a lot of decent cake recipes, I had a hard time finding a good, easy frosting to make from scratch.

My first attempts at buttercream were less than impressive and I had to keep trying and trying for a frosting recipe that was easy to make, easy to manipulate and that tasted great. I was motivated to try new ideas for making a decent frosting, and I even made one cake that was layered with different ganaches and buttercreams between each of the layers of the cake just so I could try out several recipes.

Why make this?

This is probably my favorite frosting for several reasons.

  • Most importantly, it’s delicious! This frosting isn’t overly sweet and adds just the right amount of creamy goodness to your cakes.
  • The recipe is also pretty foolproof. It’s not difficult to make and the resulting frosting is very stable. It spreads well and is easily shaped and piped.

American buttercream vs. swiss buttercream

At first, I tried making American buttercream. American buttercream generally combines butter or shortening and powdered sugar.

There are several things that I don’t like about American buttercream. One problem is that it is very temperature-dependent. When cold, you end up with a solid block of frosting. When hot, it can be a runny mess. Without the addition of something like a chocolate bar, those buttercreams don’t hold up very well to heat.

The other problem with them is that they are very rich and very sweet. Compared to Swiss buttercream, American buttercream has a higher percentage of sugar and butter.

Swiss buttercream, on the other hand, uses a meringue made from egg whites and sugar. The merengue helps balance the flavor of the frosting and also gives it a super smooth and silky texture.

Ingredients

While this recipe has a few more steps than American buttercream, it’s still a simple recipe with simple ingredients.

butter, sugar, egg whites, and vanilla extract

Like its American counterpart, this recipe uses butter, sugar, and vanilla extract. What mainly differentiates it, though, is the addition of egg whites.

Unlike American buttercream, this recipe uses granulated sugar (vs. powdered). The sugar is dissolved in the egg whites, so the resulting frosting is smooth, even when using granulated sugar. (Feel free to use whatever type of sugar you prefer, be it unrefined cane sugar or even coconut sugar. Dark-colored sugars may make a darker-looking frosting, though.)

For the egg whites, you can either use fresh eggs and separate the whites from the yolks or use bottled egg whites. (If using fresh eggs, the remaining yolks are great for recipes like homemade aioli.)

For great flavor, I love using my homemade vanilla extract. (Other extracts can be used to give the frosting a different flavor.)

Procedure

Swiss buttercream frosting does take a little longer to make than some of the others, but if you have a stand mixer, it is still pretty effortless. In fact, I think it is probably one of the easiest frostings to make and get right every time.

To begin, combine the sugar and egg whites in a heat-safe bowl or the top of a double boiler. Gently heat the mixture over hot water, stirring occasionally, until the sugar has dissolved. Be careful not to cook the egg whites.

Once the sugar has dissolved, remove the egg white mixture from the heat. If you have a stand mixer, add the egg white mixture to the bowl of the mixer. Beat the egg whites until stiff peaks have formed and the mixture has cooled.

  • egg whites and sugar in a double boiler
  • Pouring the warm egg white mixture into the bowl of a stand mixer
  • Beating the egg whites with a stand mixture
  • Whipped merengue in a stand mixer

After making the Swiss meringue, slowly add small pieces of butter to it while continuing to beat the mixture. Continue until you’ve incorporated all of the butter and have achieved a smooth frosting. For flavor, add the vanilla extract (and/or other extracts).

  • Vanilla extract next to the merengue in a stand mixture
  • Adding butter to the Swiss merengue
  • The finished buttercream frosting on a spatula held over a bowl of it.

Using buttercream frosting

This frosting is pretty simple to use and can be used on cakes or cupcakes. It spreads well with a butter knife or spatula and also can be piped well with a piping bag and tip.

To get a smooth surface, it’s a good idea to first apply a thin layer (normally referred to as the crumb coat). Then, chill the cake to harden it before applying another coat.

This first layer not only seals the moisture into the cake, but it catches all of the crumbs so that a second top layer can be applied smoothly. This makes frosting a cake much simpler.

  • A cake with a thin crumb coat layer of frosting
    The crumb coat
  • A cake with a top layer of buttercream frosting.
    After adding a second coat
  • A cake with Swiss buttercream frosting on a cake stand.

A turntable and/or an offset spatula can also make the job easier!

Serving

Cakes made with swiss buttercream should be served at room temperature. You can store the cake in the fridge, but when cold, the frosting will harden. At room temperature, the frosting will soften and recover its smooth, creamy consistency.

Looking for a great cake recipe? Why not try the grain-free birthday cake I was frosting in the photos above!

Troubleshooting

While this recipe is generally quite simple, you may find yourself with questions along the way.

When adding the butter, sometimes the mixture can take on a curdled appearance. You may be worried that something has gone horribly wrong. Don’t worry, though. It’s usually easily fixed by continuing to beat the mixture (while adding in the rest of the butter).

You may also find that it gets hard if you are using cold butter or storing in a cold environment. To solve the problem, allow the frosting to come to room temperature and beat the frosting again until smooth and workable.

Customizing the recipe

Another thing that makes this recipe great is that it is very versatile. If you want to make a chocolate frosting, try adding some cocoa powder or even some melted chocolate, adding to taste!

The flavor can also be changed slightly by using different extracts.

Storage

While this recipe is best made and used immediately, it can also be made ahead and stored in the fridge for up to. a week.

When storing in the fridge, the frosting will harden. To use it, allow it to come to room temperature and beat it again before using it.

It is also possible to freeze this frosting. Allow it to defrost and come to room temperature before beating the mixture and using it.

Video

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A cake with Swiss buttercream frosting on a cake stand.

Swiss Buttercream Frosting

Creamy, stable, and easy to spread, this swiss buttercream frosting is, by far, my favorite frosting.
4.60 from 10 votes
Print Pin Rate
Prep Time: 5 minutes
Cook Time: 10 minutes
Beating time: 15 minutes
Total Time: 30 minutes
Servings: 25 cupcakes
Calories: 168kcal
Author: Tracy Ariza, DDS

Ingredients

  • 5 egg whites
  • 1 1/4 cups sugar
  • 2 cups butter (room temperature)
  • 1 tsp. vanilla extract
Switch units back – Convert units

Instructions

  • Mix together the sugar and the egg whites in a double boiler or a heat safe bowl. Heat the mixture gently over hot water, stirring often and checking to see if the sugar has dissolved. Make sure not to cook the egg whites.
  • When the sugar has dissolved (After 5 minutes or so), pour the mixture into a large bowl. If you have a stand mixer, pour the mixture into the bowl of your mixer.
  • Beat the mixture with an electric beater until the mixture cools and stiff peaks form. This will take awhile (10-15 minutes). (Using a stand mixer makes the process much easier.)
  • Add the vanilla followed by chunks of the butter. Add the butter little by little.
  • Keep beating, even if the mixture looks like it starts to come apart. It may even look curdled, but keep adding in butter and beating until it all comes back together again.
  • Once smooth, your buttercream frosting is ready to use.

Notes

This recipe makes enough to generously frost 2 dozen cupcakes (probably with some leftover) or a 9-10 inch layered cake. (I’ve also used it to frost 2 6-inch, 2-layered cakes and had enough.)
Cakes made with Swiss buttercream should be served at room temperature. When cold the frosting hardens and doesn’t have the same creamy texture and flavor. 

Customizing the recipe

I used a homemade vanilla extract for flavor. For different flavors, use different extracts.
Cocoa powder or melted chocolate can also be added to make a chocolate buttercream frosting. (Melted chocolate will tend to thicken the frosting.)

Using the frosting

This frosting can be spread with a knife or spatula or piped with a piping bag and tip. It’s perfect for use on cakes and cupcakes. 

Storage

I like to use the frosting immediately, but if you want to make it ahead of time, cover it and keep it in the fridge. Leave yourself enough time to let it come to room temperature before using it. You will also need to beat the mixture again to get it back to a nice, whipped consistency for frosting your cake.
 
This Swiss buttercream can also be frozen for up to a couple of months. Again, leave time for defrosting and beating. 
Course Desserts, DIY Pantry Foods
Cuisine European, global
Special Diets Gluten Free, Vegetarian
Keyword buttercream, frosting
Tried this recipe? Tag me today!Mention @thethingswellmake or tag #thethingswellmake!
Serving: 35g | Calories: 168kcal | Carbohydrates: 10g | Protein: 1g | Fat: 14g | Saturated Fat: 9g | Cholesterol: 37mg | Sodium: 10mg | Potassium: 10mg | Sugar: 10g | Calcium: 1mg | Iron: 1mg

This post was originally published on January 20, 2016. It was re-written, adding new photos and video in July of 2021.

Category: Desserts & Sweets, MIY Pantry Basics, Recipes

About Tracy Ariza, DDS

Tracy Ariza, B.A., D.D.S., left dentistry and the United States to found Oh, The Things We’ll Make!, writing to you from the Spanish Riviera. She loves making things herself in order to keep control of what goes in them. While far from perfect, she strives each day to live a healthier, more sustainable lifestyle.

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Reader Interactions

Comments

  1. Rhoda

    December 20, 2022 at 10:20 AM

    5 stars
    I love all the tips and detail you give. That makes it so easy for those of us who are not proficient bakers to get it right the first time! ❤️

    By the way, I’ve made Swiss buttercream with honey and maple syrup and it turns out beautifully any way…I’ve realized that it’s just important to use a sweetener that is liquid or one that can melt to syrup consistency so it mixes flawlessly with the egg whites and butter. This is my go to frosting recipe besides chocolate ganache.❤️

    Reply
    • Tracy Ariza, DDS

      March 11, 2023 at 4:43 PM

      Thank you! 😊

      Reply
  2. helan

    August 24, 2021 at 10:29 AM

    5 stars
    Thanks For Sharing this Amazing Recipe. My Family Loved It. I will be sharing this Recipe with my Friends. Hope They will like it.

    Reply
    • Tracy Ariza, DDS

      September 30, 2021 at 9:58 PM

      Thanks, Helan!
      I’m so happy to hear it!

      Reply
  3. Michael Akin

    August 2, 2021 at 3:08 AM

    5 stars
    I always like to try recipes like this (boiling the sugar) with Rock Candy. Do you think it will work?
    Tracy I wish you had this site when I was going to college. You are Internet Royalty.

    Reply
    • Tracy Ariza, DDS

      August 5, 2021 at 5:11 PM

      Aww, thanks, Michael. That’s sweet! 🙂
      I’m not sure I understand the question. So, you want to make this using rock candy?
      As long as you can dissolve the sugar into the egg whites, any sort of sugar should work. But perhaps I totally misunderstood the question?

      Reply
  4. Kevin Moore

    January 23, 2020 at 2:23 AM

    What makes it runny

    Reply
    • Tracy Ariza, DDS

      August 27, 2020 at 2:30 PM

      Hi Kevin,
      If the Butter is too liquidy when you add it, I suppose it could get runny. I’ve never had that happen with Swiss buttercream, but you should be able to fix it by chilling the mixture slightly and then re-beating it. (If too chilled, allow the butter to come to room temperature-if not too hot out-first, or it will be difficult to beat.)

      Reply
  5. Emma

    November 3, 2018 at 4:37 PM

    Can you use powdered sugar.?

    Reply
    • Tracy Ariza

      November 26, 2018 at 10:41 PM

      Hi Emma,
      Yes, you can use powdered sugar, but there is no need to use it as the other sugar will dissolve into the egg whites. Powdered sugar is usually a lot more expensive and the expense is unnecessary here.

      Reply
  6. Nuala

    February 25, 2018 at 7:03 PM

    Can you freeze this frosting?

    Reply
    • Tracy Ariza

      February 27, 2018 at 12:41 PM

      Hi Nuala,
      I’ve always read that you can freeze buttercream frosting, but I’ve personally never try it. I usually make it several days ahead and store it in the fridge. Either way, you’ll have to leave it out for awhile to get it to come to room temperature before using it. Then you’ll want to re-whip it to recuperate the right texture for spreading. I hope that helps!

      Reply
    • Rhoda

      December 20, 2022 at 10:12 AM

      I have made this and frozen it successfully. Just let it come to room temp before beating it up again and using it.

      Reply
  7. CMK

    December 28, 2017 at 3:05 AM

    I made this today and it is FANTASTIC! My only change was that I added vanilla bean paste rather than extract. I did use a digital thermometer to make sure the eggs reached 140 degrees for the correct amount of time because I am expecting. This is my new favorite frosting! Thank you!

    Reply
    • Tracy Ariza

      December 28, 2017 at 3:23 PM

      I’m so happy you enjoyed it.
      Congrats on your coming bundle! 🙂

      Reply
  8. carrie

    September 24, 2017 at 1:04 AM

    Hi,
    I wondered if I you think mixing caramel sauce would be okay with this. I just made a salted caramel icing using a powdered sugar based recipe and it was too sweet and em..oily (?) I think i side with your camp on the topic of icing.
    I may test it out this week to see what happens but thought i’d ask in case you might know.
    Thanks 🙂

    Reply
    • Tracy Ariza

      September 24, 2017 at 6:04 PM

      Hi Carrie,
      I would think that you’d be able to mix a small amount of caramel icing with the buttercream to give it a caramel flavoring.
      This past week I just made a cream cheese icing by mixing some cream cheese with this buttercream frosting. The final frosting was slightly thinner in consistency than the buttercream without the cream cheese, but the flavor was great.
      I used it for the carrot cake layer of my son’s birthday cake. It was great because I was able to make the same frosting for all the layers of the cake, but was able to change the flavor of the carrot cake layer by only adding a bit of cream cheese.
      I’d start off by trying to add just a little bit at a time, making sure not too add so much as to make it too thin.
      I’d love to hear how it goes! 🙂

      Reply
  9. Christine

    June 29, 2016 at 6:53 AM

    Hi just wondering how much this recipe makes/ what size of cake it covers??
    Thanks☺

    Reply
    • Tracy Ariza

      June 29, 2016 at 4:22 PM

      Hi Christine,
      Great question!
      It’s hard for me to answer this perfectly as people frost cakes so differently, you know? 😉
      I like to cut my cake in lots of layers and put lots of frosting between each layer and over the top and sides of the cake. Other people are a lot more conservative. haha
      In any case, I usually double this recipe when making my son’s birthday cakes and it completely fills up the bowl of my mixer when doubled. (I can try to go check on the volume of that bowl later for you!)
      I usually have enough, when doubled, to frost his entire three tiered cake with several layers of cake in each tier. Here’s an example cake. (I can check the sizes of the pans I use when I get home.)
      I really only make one cake per year anymore because I’ve been trying to really cut down on sugar around the house, so I’m basing this on working with those special, large cakes for my son’s parties, but I’d guess that with the recipe as is, you should be able to easily frost a pretty good sized cake.
      I’m sorry I can’t be more specific, and hope that at least helps somewhat!

      Reply
      • Tracy Ariza

        June 29, 2016 at 4:25 PM

        I just realized that I had to ditch the top layer of that cake to fit Wall-E and Eve on top, so that year I only made a 2 tier cake,
        but I ended up with enough leftover frosting to make the cake pops- and probably had more leftover afterwards. 🙂

        Reply

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Hello, I’m Tracy!

I love making my own natural products like soaps and lotions and my own pantry items like yogurt and salad dressings.
Why do I do it? Sometimes to save money, sometimes because it's healthier, but I always love having control of the ingredients!​
Oh, the things we'll make!...

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