Swiss Meringue Buttercream Recipe (with Detailed Instructions + Troubleshooting Tips!)

Описание: This Swiss meringue buttercream is silky smooth, not too sweet, packed with vanilla flavor, and incredibly easy to work with for decorating cakes and cupcakes! It’s made with just 5 ingredients and a little more complicated than American buttercream, but this detailed recipe will help you make perfect Swiss meringue buttercream, even if it’s your first time. Full recipe and troubleshooting tips are on my blog at: https://sugarandsparrow.com/swiss-mer...

SWISS MERINGUE BUTTERCREAM
YIELD: 5 Cups

INGREDIENTS:
6 large egg whites (from fresh eggs, not the carton)
2 Cups (400g) granulated sugar
1 1/2 Cups (340g) unsalted butter, slightly below room temp, cut into Tablespoon-sized pieces
2 tsp pure vanilla extract
pinch of salt, or to taste (optional)

INSTRUCTIONS:
1. Prepare the double-boiler: Fill a saucepan with a few inches of water and set over medium heat. Make sure that the mixing bowl you’ll be using for the next step fits on top of it without the bottom of the bowl touching the water, then remove the mixing bowl and bring the water in the saucepan to a simmer.
2. Separate the eggs: it’s really important not to get even a drop of egg yolk in your egg whites, so I recommend separating one egg white at a time into a small bowl, then adding each egg white into your heat proof mixing bowl (glass or metal).
3. Add the sugar into your egg whites and whisk together to combine, then set the bowl over the saucepan of simmering water. Whisk constantly until the mixture has thinned out and the sugar is fully dissolved, 5-7 minutes. To test that it’s ready, carefully dip your finger into the mixture and rub your thumb over it. If you don’t feel any sugar granules, it’s ready. You can also use an instant read thermometer to check that the temperature has reached 160°F (71°C).
4. While the mixture is still warm, transfer it to the bowl of your stand mixer fitted with the whisk attachment (or attach the bowl to your stand mixer if you used that for the mixture). Turn the mixer to medium-high speed and beat until stiff peaks form, 10-15 minutes. If stiff peaks have not formed at this point, try placing your bowl into the refrigerator for 10 minutes, then continue to beat until stiff peaks form.
5. At this point feel the bowl of your stand mixer. If it feels warm to the touch, place it into the refrigerator for 10-15 minutes to cool it down. The meringue should be about 90ºF (32ºC) or less before moving on to the next step.
6. Once the meringue has cooled, switch the stand mixer to the paddle attachment. Turn the mixer to medium-high and add the butter 1 Tablespoon at a time. After all the butter has been added, turn the mixer down to medium speed and beat in the vanilla and salt, about 30 seconds. At this point, the Swiss meringue buttercream should be thick, creamy, and silky smooth.

Troubleshooting Too Thin/Curdled: If the buttercream is thin and curdled-looking, it usually means the meringue was too warm before adding the butter. Place the entire bowl in the refrigerator for about 20 minutes before returning it to the stand mixer and beating on medium speed until thickened. If it’s still soupy, place it back into the refrigerator for longer before re-whipping again.

Troubleshooting Too Thick: If your buttercream looks too thick and air bubbly, scoop out about ½ Cup of the buttercream and place it in a microwave-safe bowl. Microwave for 10 seconds, until the buttercream has melted. Add it back to the big bowl of buttercream and turn the mixer to low speed until it’s all mixed in. This should bring the buttercream to a smooth consistency. Repeat if necessary until smooth.

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