Why make this recipe
Swiss Meringue Buttercream is a favorite among bakers for its smooth texture and rich flavor. It’s excellent for frosting cakes, cupcakes, and cookies. Unlike regular buttercreams, this one is lighter and less sweet, making it a perfect choice for those who enjoy a more balanced sweetness in their desserts. Plus, it holds up well in warmer temperatures, making it reliable for outdoor events.
How to make Swiss Meringue Buttercream
Ingredients:
- 4 large egg whites
- 1 cup granulated sugar
- 1 cup unsalted butter, softened
- 1 teaspoon vanilla extract
- Pinch of salt
Directions:
- In a heatproof bowl, combine egg whites and sugar.
- Place over a pot of simmering water and whisk until sugar has dissolved and mixture is warm to the touch.
- Remove from heat and whip on high speed until stiff peaks form and the mixture is cool.
- Gradually add the softened butter, mixing on low speed until incorporated.
- Add vanilla extract and salt, mix until smooth and silky.
- Use immediately to frost cakes or store in an airtight container.
How to serve Swiss Meringue Buttercream
Swiss Meringue Buttercream is versatile and can be used in many ways. Spread it on cakes or cupcakes with a spatula for a smooth finish. You can also use a piping bag to create beautiful swirls and decorations. Remember, it can also be used as a filling for cookies or as a base for other flavored frostings.
How to store Swiss Meringue Buttercream
Store any leftover Swiss Meringue Buttercream in an airtight container in the refrigerator. It will keep well for about one week. When you are ready to use it again, let it come to room temperature and whip it briefly to restore its smooth texture.
Tips to make Swiss Meringue Buttercream
- Make sure your bowl and whisk are completely clean and free of grease for the best volume when whipping the egg whites.
- Use room temperature butter to help it blend more easily with the meringue.
- Be patient while whipping. It may take some time to reach stiff peaks, but the result is worth the wait!
Variation
You can easily flavor your Swiss Meringue Buttercream by adding cocoa powder for chocolate frosting, fresh fruit purees for fruity flavors, or even extracts like almond or lemon to fit your theme.
FAQs
1. Can I use pasteurized egg whites?
Yes, pasteurized egg whites can be used in place of fresh egg whites for safety and convenience.
2. Why is my buttercream too runny?
This can happen if the butter is too warm or if there is too much liquid added. Make sure your butter is softened, but not melted.
3. Can I freeze Swiss Meringue Buttercream?
Yes, you can freeze it! Just store it in an airtight container. Thaw in the refrigerator before using and re-whip to restore texture.

Swiss Meringue Buttercream
Ingredients
Method
- In a heatproof bowl, combine egg whites and sugar.
- Place over a pot of simmering water and whisk until sugar has dissolved and mixture is warm to the touch.
- Remove from heat and whip on high speed until stiff peaks form and the mixture is cool.
- Gradually add the softened butter, mixing on low speed until incorporated.
- Add vanilla extract and salt, mix until smooth and silky.
- Use immediately to frost cakes or store in an airtight container.