Marthas Swiss Meringue Buttercream Recipes

Steps:

• Bring a saucepan filled with about 2 inches of water to a simmer. Meanwhile, combine sugar, egg whites, and salt in a large heatproof mixing bowl. Set bowl over (not in) pan of simmering water and whisk until whites are warm to the touch and sugar has dissolved, 2 to 3 minutes. (Test by rubbing between your fingers; mixture should feel smooth.)
• Attach bowl to mixer fitted with the whisk attachment; beat on medium-high speed until stiff, glossy peaks form and mixture has cooled completely, about 12 minutes.
• Reduce speed to medium-low; add butter, 2 tablespoons at a time, beating to incorporate fully after each addition. (Don't worry if buttercream appears curdled at this point; it will become perfectly smooth again with continued beating.) Beat in vanilla.
• Switch to paddle attachment and beat on lowest speed to remove air bubbles, 3 to 5 minutes. If using buttercream the same day, cover bowl with plastic wrap and let stand at room temperature until ready to use.
• If not using the same day, transfer buttercream to an airtight container and refrigerate up to 3 days. Before using, bring to room temperature, then beat with paddle attachment on lowest speed until smooth and pliable, about 10 minutes.

Steps:

• Place sugar and egg whites in the heat-proof bowl of an electric mixer. Set bowl over a pan of gently simmering water, and whisk until sugar has dissolved and egg whites are hot to the touch, about 3 minutes. Test by rubbing the mixture between your fingers; it should feel completely smooth.
• Transfer bowl to mixer stand. Using the whisk attachment, beat on high speed until mixture has cooled completely and formed stiff and glossy peaks, about 10 minutes.
• Add the butter, one piece at a time, and beat until incorporated after each addition. Don't worry if the buttercream appears curdled after all the butter has been added; it will become smooth again with continued beating. Add vanilla, and beat just until combined.
• Switch to the paddle attachment, and beat on the lowest speed to eliminate any air pockets, about 5 minutes. If using buttercream within several hours, cover bowl with plastic wrap, and set aside at room temperature in a cool environment. Or transfer to an airtight container, and store in the refrigerator, up to 3 days. Before using, bring buttercream to room temperature, and beat on the lowest speed with the paddle attachment until smooth, about 5 minutes.

Steps:

• Combine egg whites, sugar, and salt in the heatproof bowl of a standing mixer set over a pan of simmering water. Whisk constantly by hand until mixture is warm to the touch and sugar has dissolved (the mixture should feel completely smooth when rubbed between your fingertips).
• Attach the bowl to the mixer fitted with the whisk attachment. Starting on low and gradually increasing to medium-high speed, whisk until stiff (but not dry) peaks form. Continue mixing until the mixture is fluffy and glossy, and completely cool (test by touching the bottom of the bowl), about 10 minutes.
• With mixer on medium-low speed, add the butter a few tablespoons at a time, mixing well after each addition. Once all butter has been added, whisk in vanilla. Switch to the paddle attachment, and continue beating on low speed until all air bubbles are eliminated, about 2 minutes. Scrape down sides of bowl with a flexible spatula, and continue beating until the frosting is completely smooth. Keep buttercream at room temperature if using the same day. If not, transfer to an airtight container and refrigerate up to 3 days or freeze up to 1 month. Before using, bring to room temperature and beat with paddle attachment on low speed until smooth again, about 5 minutes.
• To tint buttercream, reserve some for toning down the color, if necessary. Add gel-paste food color, a drop at a time (or use the toothpick or skewer to add food color a dab at a time) to the remaining buttercream. You can use a single shade of food color or experiment by mixing two or more. Blend after each addition with the mixer (use a paddle attachment) or a flexible spatula, until desired shade is achieved. Avoid adding too much food color too soon, as the hue will intensify with continued stirring; if necessary, you can tone down the shade by mixing in some reserved untinted buttercream.

Steps:

• Put sugar and egg whites in the heatproof bowl of an electric mixer. Set bowl over a pan of simmering water; whisk until sugar is dissolved, about 5 minutes.
• Fit mixer with the whisk attachment. Beat the egg-white mixture on medium speed until stiff peaks form and mixture is completely cooled, about 10 minutes.
• Beat in butter a few tablespoons at a time. Reduce speed to low; add vanilla and melted chocolate. Beat until mixture is smooth, about 5 minutes.

Steps:

• Whisk together sugar and egg whites in a heatproof mixing bowl. Place over a pot of simmering water; whisk constantly until sugar is completely dissolved, 2 to 3 minutes. Remove from heat. With an electric mixer, whisk on high speed until cool (test by touching bottom of bowl), 7 to 10 minutes.
• Change to the paddle attachment. With mixer on medium-high speed, add butter, 2 tablespoons at a time, until combined. Beat in chocolate.

Steps:

• Make the filling and crumb coat: Cook egg whites and sugar in a small saucepan over medium heat, whisking constantly until sugar is completely dissolved. Transfer to the bowl of an electric mixer fitted with the whisk attachment; mix on high speed until mixture is room temperature. With the mixer on medium-low, add butter, one piece at a time, mixing well after each addition.
• Remove whisk attachment and switch to paddle attachment. Increase speed to high and beat until buttercream comes together, about 5 minutes; beat in lemon extract.
• Make the frosting: In a clean saucepan and bowl of an electric mixer, repeat process in step 1.

Steps:

• Heat sugar, egg whites, and salt in a heatproof mixer bowl set over a pan of simmering water, whisking, until sugar dissolves, about 2 minutes.
• Return bowl to mixer, and whisk, gradually increasing speed from low to medium-high, until stiff, glossy peaks form, about 10 minutes. Reduce speed to medium. Add butter, a few pieces at a time, whisking well after each addition. Whisk in vanilla. Switch to a paddle attachment. Beat until air bubbles are gone, 2 to 3 minutes more.
• Beat in food coloring, 1 drop at a time, until desired color is achieved. (If making more than 1 color, divide buttercream and work in batches.)

Steps:

• Heat sugar and eggs Bring a saucepan filled with about 2 inches of water to a simmer. Meanwhile, combine sugar, egg whites, and salt in a large heatproof mixing bowl. Set bowl over (not in) simmering water, and whisk until whites are warm to the touch and sugar is dissolved, 2 to 3 minutes. (Heating the eggs relaxes their proteins, enabling the eggs to whip up higher and more quickly; the sugar also melts, for a silky smooth consistency.) Test by rubbing between your fingers; the mixture should feel smooth.
• Whip meringue Attach bowl to a standing electric mixer fitted with the whisk attachment, and beat on low speed until foamy. Add cream of tartar, and beat on medium-high speed until stiff, glossy peaks form and mixture is cooled completely, about 10 minutes.
• Mix in butter Reduce speed to medium-low; add butter 2 tablespoons at a time, beating to incorporate fully after each addition. Don't worry if the buttercream appears curdled at this point; it will become perfectly smooth again with continued beating. After all the butter has been incorporated, beat in vanilla.
• Finish Switch to the paddle attachment. Beat on the lowest speed to reduce air bubbles, 3 to 5 minutes. Let stand, covered with plastic wrap, at room temperature. (If not using the same day, transfer to airtight containers and store in the refrigerator up to 3 days or the freezer up to 1 month. Before using, bring to room temperature; beat with the paddle attachment on the lowest speed until smooth and pliable, about 10 minutes.)
• Follow recipe above, adding 5 1/2 ounces melted and completely cooled semisweet chocolate along with the vanilla.

Steps:

• In a small pot, bring 1 inch water to a boil over high heat.
• Place the egg whites and sugar in a medium metal bowl (or the metal bowl of a stand mixer) and place it on top of the pot, making sure that the bottom of the bowl does not touch the water. Whisk continuously (especially on the sides of the bowl) to prevent the egg whites from cooking, until the mixture reaches 160 degrees F and the sugar is completely dissolved, about 5 minutes.
• Remove the bowl from the heat, transfer it to a stand mixer fitted with the whisk attachment and whisk on high speed until soft peak forms, about 5 minutes.
• Switch to the paddle attachment on low speed and add the butter, one piece at a time. The buttercream might separate but keep the paddle going-the mixture will soon homogenize. Increase the speed to medium and paddle until silky smooth, about 5 minutes. Mix in the vanilla and beat for another 3 minutes.

Steps:

• Place sugar, whites, and salt in a heatproof mixer bowl set over a pot of simmering water. Whisk until sugar dissolves and mixture registers 160 degrees on a candy thermometer.
• Attach bowl to mixer. Whisk on medium speed for 5 minutes. Increase speed to medium-high, and whisk until stiff, glossy peaks form, about 6 minutes. Reduce speed to medium, and add butter, 1 piece at a time, whisking well after each addition. Whisk in vanilla. Use immediately, or cover, and refrigerate for up to 3 days. (Bring to room temperature, and beat on low speed until smooth before using.)

Steps:

• Combine sugar and egg whites in mixer bowl, and set over a pan of simmering water. Whisk constantly until sugar is dissolved and mixture registers 140 degrees on an instant-read thermometer.
• Transfer bowl to mixer; whisk on medium-high speed until whites are fluffy and cooled, about 10 minutes. Continue to whisk until stiff, glossy peaks form.
• Reduce speed to medium-low; add butter by the tablespoon, whisking well after each addition. Whisk in vanilla. Buttercream can be refrigerated in an airtight container up to 3 days or frozen up to 1 month. Bring to room temperature before using; beat on lowest speed until smooth, about 3 minutes.

Steps:

• Put egg whites and sugar in the heatproof bowl of an electric mixer set over a pan of simmering water. Whisking constantly, cook until sugar has dissolved and mixture is warm (about 160 degrees).
• Attach bowl to a mixer fitted with the whisk attachment. Beat egg white mixture on high speed until it forms stiff (but not dry) peaks. Continue beating until fluffy and cooled, about 6 minutes.
• Switch to the paddle attachment. With mixer on medium-low, add butter several tablespoons at a time, beating well after each addition. (If frosting appears to separate after all butter has been added, beat on medium-high speed until smooth again, 3 to 5 minutes more.) Beat in vanilla. Reduce speed to low; beat 2 minutes to eliminate air bubbles. Stir with a rubber spatula until smooth.