Chef Carrie's Luscious Swiss Meringue Buttercream Recipe

This classic Swiss meringue buttercream recipe is perfect for frosting and piping — and for eating right off the spatula.
Anna Johnson
A white cake frosted with Chef Carrie Smith's Swiss meringue buttercream recipe

Making a batch of Swiss meringue buttercream is deceptively simple. Just ask ICE Los Angeles' Chef-Instructor (and resident ) Carrie Smith.

Here, she whips up the version taught in ICE’s Pastry & Baking Arts programs (which is also Chef Carrie’s go-to “at home” recipe).

"The basic ratio is very simple," she says. "It's one part egg whites, two parts of sugar, two parts of butter." 

Using pre-pasteurized egg whites is fine, but if you're feeling ambitious, you can pasteurize your own. (Just make sure you gently bring your egg whites and sugar mixture to 140 degrees Fahrenheit by stirring it over a bain-marie on the stove.)

Chef Carrie Smith pasteurizing egg whites and sugar over a bain-marie on the stove
Chef Carrie Smith pasteurizing egg whites and sugar over a bain-marie on the stove.

One of best parts of this recipe is its flexibility.

"You could get away with using brown sugar to make a brown sugar buttercream, coconut sugar too," says Chef Carrie. "Date sugar might give you some problems because of the texture in the dates, but [it] would be delicious."

She also suggests using half salted butter and half unsalted butter to create a salted caramel-like flavor. Additionally, you can veganize the recipe by substituting aquafaba (the liquid from a can of chickpeas) for the egg whites and a plant-based fat source for the butter. 

In total, the process takes about twenty minutes and yields a fluffy, smooth buttercream that's perfect for piping.

Watch Chef Carrie's step-by-step process in the video below, then use the recipe to make Swiss meringue buttercream at home.

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Recipe

Swiss Meringue Buttercream

A white cake frosted with Chef Carrie Smith's Swiss meringue buttercream recipe
  • 225 grams egg whites
  • 450 grams granulated sugar
  • 450-675 grams unsalted butter, softened
  1. Combine egg whites and sugar over a bain-marie. Whisk until sugar is dissolved and reaches 140° F.
  2. Whip with a whisk attachment on stand mixer until the mixture reaches room temperature and yields stiff peaks.
  3. Add softened butter pieces and whip until shiny and glossy.
  4. Add flavors, if desired.
  5. Replace whisk with paddle attachment and mix on low speed to remove any air bubbles.

Use immediately, refrigerate for up to two weeks, or freeze one month.

Anna Johnson, a brunette woman in a dark green dress, smiles in front of a wall with pictures of plated food and bread on it

Anna Johnson is the Content Manager at the ĢƵ Los Angeles as well as a current Plant-Based Culinary Arts student. She loves telling stories about anything food- and beverage-related, with a special interest in sustainability, accessibility and advocacy within the hospitality world. Follow her culinary school journey on social media at @.