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Swiss Meringue Buttercream

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How to make Swiss Meringue Buttercream

prep 20 minutes mins

All the basics on Swiss meringue buttercream; how to make it, customize it, flavor it, color it, troubleshoot it and store it!

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How to make Swiss Meringue Buttercream

July 13, 2021
August 13, 2025

All the basics on Swiss meringue buttercream; how to make it, customize it, flavor it, color it, troubleshoot it and store it!

Swiss Meringue Buttercream
swiss meringue buttercream smooth and creamy
Table of Contents
  • What is Swiss meringue buttercream
  • How to make a Swiss meringue buttercream
  • How to flavor the buttercream
  • Troubleshooting Buttercream
  • How to store buttercream
  • Frequently Asked Questions
  • Recipes that use Swiss meringue buttercream:
  • Swiss Meringue Buttercream Recipe

What is Swiss meringue buttercream

Swiss meringue buttercream is probably one of the most popular types of buttercream next to American. If you compare it to whipped cream or plain meringue, it’ll feel heavy but for a buttercream, it’s very light and fluffy while also being really stable. Stable meaning it performs well in higher heat and when it comes to temperature changes or adding different flavors in.

The name comes from a small town in Switzerland called Meiringen. The Swiss meringue was developed there by a Chef named Gasparini. Then the method was used to make the buttercream.

How to make a Swiss meringue buttercream

Swiss meringue buttercream is made up of two parts, the meringue and the butter. The meringue is basically egg whites whipped with sugar. Then butter is beat in until it emulsifies into a smooth creamy and fluffy buttercream.

Main Ingredients:

  • Egg Whites: it’s best to use fresh egg whites but I’ve also had success with aged egg whites, pasteurized carton egg whites, and aquafaba!
  • Sugar: I typically make buttercream with granulated sugar but I’ve also successfully made it with super fine castor sugar, light brown sugar and dark brown sugar. If you’re using brown sugar, reduce the amount by 25%, which is 1/4 cup (50g) in this case.
  • Butter: because there is so much butter in the recipe, I like to use unsalted butter. I’ve had success with commercial butter, European style and plant-based butters.

Step-by-Step Photos

  1. Raw egg whites and granulated sugar in the bowl of a stand mixer (I used a glass bowl for these photos but I don’t recommend it cuz it can break, use the aluminum mixer bowls).
  2. Egg whites and sugar whisked together over the double boiler.
  3. Egg whites and sugar once they’ve heated and the sugar dissolved.
  4. Egg whites and sugar beaten at full speed until fluffy.
  5. Half of the butter beaten into the meringue – looks soft and runny.
  6. Buttercream emulsified once all the butter has been added.
raw egg whites and sugar in the bowl of a stand mixer
raw egg whites and sugar in the bowl of a stand mixer
egg whites and sugar cooking over a double boiler
egg whites and sugar cooking over a double boiler
cooked egg whites and sugar looking frothy
cooked egg whites with sugar dissolved
meringue beat to stiff peaks
meringue beat to stiff peaks
melty/runny buttercream (only half the butter added so far)
melty/runny buttercream (only half the butter added so far)
swiss meringue buttercream emulsified
swiss meringue buttercream emulsified

How to flavor the buttercream

If you’re used to American buttercream and have never made Swiss meringue buttercream, you’ll be surprised at how much it can hold. Instead of 1 tsp of vanilla, I usually do about 1 Tbsp per batch because you just can’t taste it as much as you can in American buttercream.

For one batch of Swiss meringue buttercream I usually do:

  • Vanilla: 1 Tbsp of vanilla extract or vanilla bean paste or the beans of 1 full pod.
  • Almond or Lemon Extract: 1 tsp (same with anything equally as strong)
  • Chocolate chips – melted: 1/2-1 cup (95-170 grams), depending how strong you want it
  • Cocoa powder – unsweetened: 1/2 cup (40g), you can go up to 3/4 cup (60g) but that’s risky lol
  • Nut butters – creamy not natural kind: 1/2-1 cup, depending on how strong you want it
  • Coffee: 1-2 tsp of espresso powder or 1-2 Tbsp of instant coffee dissolved in equal amounts of water
  • Jam/Preserves: 1/2 cup, or slightly more if it’s not super runny
  • Freeze dried fruit – ground: 1/4-1/2 cup; I recommend this over jam/preserves because it has a lower water content so it is less likely to break the buttercream and it has a stronger flavor and color.

If you have any other flavors you’re questioning, comment below and I’d be happy to give a recommendation.

Troubleshooting Buttercream

Runny Buttercream

If your buttercream looks smooth but is really soft and runny, place it in the refrigerator for 20-40 minutes. Then scrape the bottom and edges of the bowl and beat it again at medium speed. If this doesn’t work, then refrigerate it longer, until the mixture is visibly thicker and feels more paste-y, then beat it again. 

Split/Curdled Buttercream

If the buttercream splits and looks curdled, like cottage cheese, it means the mixture didn’t emulsify because the temperature of the butter was either too cold or the meringue was still too warm. There’s a few different ways to fix this:

  •  Remove a few spoonfuls of the buttercream and place it in a heat safe bowl. Microwave the bowl until the mixture is warm and fully melted, about 30 seconds. Then turn the mixer up to medium speed and pour in the melted cream into the mixer bowl.
  • Turn the mixer up to medium speed and use a culinary blow torch to gently heat the outside of the mixer bowl, moving it back and forth to evenly heat the buttercream. Do this until it emulsifies. This works much better with a metal stand mixer bowl rather than a glass or ceramic bowl.
  • Place the entire mixer bowl over a double boiler and whisk until the mixture is melted. Once the mixture is fully melted and looks smooth and runny, then refer to the Runny Buttercream section. 

What if it curdles only after adding flavors/other ingredients OR if the above recommendations don’t work?

I believe this happens when the water content is too high for the amount of fat in the recipe. This can happen if some eggs are larger than usual, if the butter has an abnormally high water content or if you’ve added too much of an ingredient like a jam or too much cocoa powder.

What I would do here is add an extra 1/4 cup of butter and beat it at high speed. You may still need to reheat it to get everything to the same temperature and then chill it again before beating.

If you’re having issues, DM me on Instagram @baranbakery and I’d be happy to help so you don’t waste a batch 🙂

How to store buttercream

Swiss meringue buttercream can be made in advance and just rewhipped to a smooth consistency. Make sure to always store it in an airtight container. 

Store at room temperature for 2 days, whether it’s in a container or frosted on a cake. 

Store in the refrigerator for 7-10 days, in a container or frosted on a cake.

Store in the freezer for up to 3 months in a container or frosted on a cake. Make sure to double seal it if it’s frozen so you don’t get any frostbite. 

Frequently Asked Questions

Can I make Swiss meringue buttercream dairy free?

I have successfully made this with plant based butter. I recommend Miyokos unsalted.

Can I make Swiss meringue buttercream egg free?

I’ve had success making this with aquafaba. I do 1/4 cup of aquafaba with 3/4 cup of granulated sugar to replace the meringue. I make it the exact same way I make a regular Swiss meringue.

Can I make this totally vegan?

YEESSS! I have tried this with the aquafaba and plant based butter together and it works BUT I don’t feel fully confident in it yet. It breaks kind of easily when you flavor it or if it’s not at the perfect temperature.
The recipe I used, if you want to try it is:
1/4 cup (59mL) aquafaba (cooked chickpea water)
3/4 cup (150g) granulated sugar
1 cup (227g) plant based butter
If I’m being totally honest, I also think it doesn’t taste good LOL. BUUUUTTTT I am not dairy free or vegan and don’t normally eat that so I think it’s a personal preference. It wasn’t necessarily bad but I think people who are already used to eating egg and dairy alternatives will like the taste more than other people.

Can I make this sugar free?

I’ve had success making Swiss meringue buttercream with a sugar substitute. I used Splenda 0 calorie sweetener as a 1:1 substitute for the granulated sugar. Make sure to measure it in volume because weight is a lot lighter than regular sugar. Alternative sweeteners all have their own specific flavors that some people might find unpleasant but I don’t mind them.

How to color Swiss meringue buttercream

If you want your buttercream to be white, I recommend using a more commercial butter that’s going to be more pale in color. The whiter the buttercream the easier it also is to color it accurately. If it’s slightly yellow, it’ll affect the end result so you’ll kind of have to play with it and see what you like.
Make sure to use a gel food coloring such as Americolor instead of a water based one.

Recipes that use Swiss meringue buttercream:

Swiss meringue buttercream can be used for any of your frosting or buttercream needs. You can always replace American buttercream with Swiss if you prefer a less sweet frosting. The only time I don’t prefer it is when it’s peppermint flavored lol, I think peppermint goes better with the sweetness of American than the butteriness of Swiss. I linked some posts below that it.

s'mores cake with marshmallow fluff and chocolate frosting
S’mores Cake
mocha layer cake
Mocha Cake
white chocolate raspberry cake
White Chocolate Raspberry Cake

Thanks so much for reading today’s post, if you have any questions just comment down below (in the comment section not the rating section).

If you love this recipe please leave a 5 star review and if not, please let me know why!

As always, have a blessed day and happy baking!

Love, B

Swiss Meringue Buttercream
Recipes
Flavor

Swiss Meringue Buttercream Recipe

4.87 from 15 votes
prep 20 minutes mins
total 20 minutes mins
Serves 3 cups
Super fluffy and creamy Swiss merinuge buttercream recipe.
Author: Bernice Baran
Print Recipe Pin Recipe email recipe
Servings 3 cups
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Equipment

  • 1 stand mixer with whisk attachment
  • 1 small pot
  • 1 Rubber Spatula

Ingredients

  • 4 large egg whites, room temperature
  • 200 grams granulated sugar
  • 227 grams unsalted butter*, room temperature (smidge more if it doesn't come together)
  • 2 tsp vanilla bean paste, or vanilla extract
  • tiny pinch of fine sea salt

Method

  1. Bring a small pot with 1/2 cup of water to a boil and lower the heat to simmer.
  2. Place the egg whites and granulated sugar in the bowl of a stand mixer and place the bowl over the simmering water for 5-10 minutes, whisking intermittently until the granulated sugar is completely dissolved.
    4 large egg whites room temperature, 200 grams granulated sugar
  3. Once the sugar is dissolved, remove the bowl of egg whites from the heat. Use the whisk attachment to beat the egg whites with the sugar. Beat for 7-10 minutes on high speed and then lower the speed to low-medium.
  4. Slowly add 2 Tbsp of butter in at a time. Wait for the butter to incorporate before adding the next chunk. Once all the butter is added, turn the mixer up to high speed for a few seconds, until it comes together.
    227 grams unsalted butter* room temperature (smidge more if it doesn't come together)
  5. Then use a rubber spatula to scrape the edge of the bowl. Add the vanilla bean paste (or extract) and salt and beat until it’s fully combined.
    2 tsp vanilla bean paste or vanilla extract, tiny pinch of fine sea salt

Notes

*TIP: If you’ve added all the butter and beat it on high speed for a few minutes and it still doesn’t come together then add another 56 grams (1/4 cup) butter. See the troubleshooting section if your buttercream is runny or curdled. 

Nutrition

Calories: 833kcalCarbohydrates: 69gProtein: 5gFat: 62gSaturated Fat: 39gPolyunsaturated Fat: 2gMonounsaturated Fat: 16gTrans Fat: 2gCholesterol: 163mgSodium: 75mgPotassium: 85mgSugar: 69gVitamin A: 1891IUCalcium: 22mgIron: 0.1mg
Course: Frosting
Cuisine: Swiss
Keyword: frosting, swiss meringue buttercream, vanilla frosting

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What did you think?




  1. Rina
    12.05.2025

    Hi – can I use the raspberry filling from your chocolate raspberry cake rather than raspberry jam? Afraid the jam will make it too sweet.

    Reply
  2. Jen
    23.11.2024

    5 stars
    I made a Biscoff version of this today to top your Biscoff cupcakes and it was SO delicious. My house is cold right now and the frosting had a little trouble coming together once I added the butter but I followed your advice to heat the mixing bowl gently and it worked perfectly. I cannot thank you enough for this recipe and all your expert tips. I will come back to this time and again. I am excited to experiment with more flavors!

    Reply
  3. Merriam
    08.10.2024

    Loved it!!!! Thank you I just made it today will share wthe photo in your inbox on insta

    Reply
  4. Merriam
    06.10.2024

    After removing the dissolved sugar with egg whites from the heat, Do I need to wait until the mixture comes to room temperature? You didn’t specify. ? please update me

    Reply
    1. Bernice Baran
      06.10.2024

      It will cool as you beat it

      Reply
  5. Kirsten
    05.08.2023

    Hi! I’m looking for a dairy free version of Swiss meringue buttercream. Which plant based butter did you find worked best? Can I use stork? Thanks!

    Reply
    1. Bernice Baran
      06.08.2023

      Hi Kirsten, I haven’t tested too many brands but I know Mykonos butter worked well for me 🙂

      Reply
    2. Bernice Baran
      06.08.2023

      I haven’t worked with stork but if any butter you use has a higher water content or doesn’t come together as quickly as it should, try adding a 1/4 cup extra butter.

      Reply
  6. Mary Garrison
    18.02.2023

    Is this frosting tastes smooth & light & fluffy?

    Reply
  7. Francisco Tavarez
    23.11.2022

    Hi!!!

    I’m kind of new into this world of baking and pastry. I live in Dominican Republic ??. Our average temperature here all year long is about 30 Celsius degress (thats like 90 Fahrenheit degrees). Any recommendations to succeed using this buttercream in this conditions??

    Thanks,

    Francisco

    Reply
    1. Bernice Baran
      23.11.2022

      Hi Francisco, that makes it really difficult to work with buttercream lol. I would recommend refrigerating the meringue before adding the butter, make sure it’s not warm at all. Then make sure your butter is soft but not greasy when adding it in. I would also refrigerate it periodically while working with it.

      Reply
  8. Shalisa
    06.08.2022

    I very much appreciate how you’ve broken down every step. I’ve not tried your recipe yet, but I am for sure bookmarking this page so I can refer to it in the future. I’ve been making SMB for a couple of years now and have wasted a few batches, wish I’d found you sooner! Lol. ? thank you for sharing your knowledge.

    Have you tried it with cake batter flavoring? So yummy! Add some sprinkles and it’s birthday cake! Yum!

    (I thought I was leaving a comment but made a review, so I figured I’d make it a comment also.)

    Reply
    1. Bernice Baran
      08.08.2022

      haha no worries, I hope this recipe works for you. I’ve never not been able to salvage a batch so if you have any issues or questions, let me know!

      Reply
  9. Sharon Cross
    19.01.2022

    I read a chocolate peppermint cake frosting with white chocolate pudding in it but I can’t find it . Do you know anything about it ?

    Reply
    1. Bernice Baran
      24.01.2022

      I have a chocolate peppermint cake with white chocolate frosting but there’s no pudding in it

      https://baranbakery.com/chocolate-peppermint-cake/

      Reply
  10. Loretta Ellis
    29.10.2021

    I love to bake cakes & plan to try these recipes very soon. Have wanted the Buttercream recipes for a long time. Thank you very much.

    Reply
  11. Jennifer Villarreal
    15.07.2021

    Hi there! Would you recommend juice or zest for citrus flavors such as lime, tangerine or blood orange? I’ve tried using orange extract and it leaves a slight aftertaste, in my opinion. 🙁

    Reply
    1. Bernice Baran
      17.07.2021

      Hi! I would probably do both because it’ll be hard to get the flavor through. I’d probably do 2-3 Tbsp of juice and zest of 1-2 lemon/limes/orange. Just remember that if you do the zest, the buttercream won’t be super smooth, it’ll be speckled, obviously. 🙂

      Reply
    2. Bernice Baran
      17.07.2021

      you can also try a citrus curd, about 1/4-1/2 cup depending on how runny/strong it is.

      Reply
    3. Marsha
      05.08.2022

      What’s the easier way to make butter meringue whipp frosting

      Reply

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