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5.0 from 3 votes

Swiss Meringue Buttercream

The most delicious Swiss Meringue Buttercream is easy to make with just 5 simple ingredients! It whips up deliciously light and silky with the right amount of sweetness. The perfect finishing touch for all of your favorite treats!

Prep Time
40 mins
Cook Time
40 mins
Total Time
44 mins
Servings: 3 cups
Calories: 1246 kcal
Course: Dessert
Cuisine: American , Swiss

Ingredients

  • 230 grams egg whites, about 7 large eggs, room temperature
  • 1 ½ cups granulated sugar
  • 1 ½ cups unsalted butter, room temperature
  • 2 teaspoons vanilla extract
  • ¼ teaspoon salt

Instructions

    Cup of Yum
  1. Place a medium pot on the stove with about an inch of water in it and bring the water to a simmer.
  2. Whisk together 230 grams egg whites, and 1 ½ cups granulated sugar in the bowl of a stand mixer. Place the bowl on top of the pot of simmering water, ensuring the bowl doesn’t touch the water.
  3. Whisk the egg mixture constantly until the sugar is completely dissolved and the mixture reaches 160 degrees Fahrenheit, about 4 minutes. If you rub the mixture between your fingers there should be no sugar granules left.
  4. Remove the bowl from the pot and turn off the heat. Place the bowl on the stand mixer fitted with the whisk attachment and whip on medium-high speed for about 10-15 minutes, until you have glossy stiff peaks and the bowl has cooled to room temperature. If the outside of the bowl still feels warm to the touch, you can either place the bowl in the refrigerator or press ice packs or bags of frozen vegetables to the bottom of the bowl as it whips to help cool down the meringue, but be sure to stop whipping as soon as you reach stiff peaks.
  5. Switch to the paddle attachment. Add 1 ½ cups unsalted butter, 1 tablespoon at a time, with the mixer running on medium-low. As the butter is absorbed into the meringue, add the next tablespoon until all the butter has been added. Add in 2 teaspoons vanilla extract and ¼ teaspoon salt. Switch back to the whisk attachment, scrape down the sides and bottom of the bowl, and whip on high speed.
  6. The buttercream will go through stages where it will look curdled, but it will come together. It may take 15-20 minutes of mixing before it comes together to form a thick, glossy frosting. If the frosting is soupy or still looking curdled after 15 minutes, see the tips section for ways to troubleshoot it!

Nutrition Information

Calories 1246kcal (62%) Carbohydrates 101g (34%) Protein 9g (18%) Fat 93g (143%) Saturated Fat 58g (290%) Polyunsaturated Fat 3g Monounsaturated Fat 24g Trans Fat 4g Cholesterol 244mg (81%) Sodium 335mg (14%) Potassium 158mg (5%) Sugar 101g (202%) Vitamin A 2836IU (57%) Calcium 34mg (3%) Iron 0.1mg (1%)

Nutrition Facts

Serving: 3cups

Amount Per Serving

Calories 1246

% Daily Value*

Calories 1246kcal 62%
Carbohydrates 101g 34%
Protein 9g 18%
Fat 93g 143%
Saturated Fat 58g 290%
Polyunsaturated Fat 3g 18%
Monounsaturated Fat 24g 120%
Trans Fat 4g 200%
Cholesterol 244mg 81%
Sodium 335mg 14%
Potassium 158mg 3%
Sugar 101g 202%
Vitamin A 2836IU 57%
Calcium 34mg 3%
Iron 0.1mg 1%

* Percent Daily Values are based on a 2,000 calorie diet.