Miracle Frosting
By America's Test KitchenPublished on July 22, 2011
Time
40 minutes, plus 2 hours cooling and 1 hour resting
Yield
Makes about 4 cups (enough for two 9-inch cake layers)
Ingredients
Before You Begin
Whole milk makes the richest, tastiest frosting. Use a stand mixer; the frosting is too thick for a hand mixer. And plan ahead, as the frosting needs time to cool.
Instructions
- COOK MILK BASE Combine sugar, flour, cornstarch, and salt in medium bowl. Slowly whisk in milk until smooth. Pour mixture through fine-mesh strainer into medium saucepan. Cook over medium heat, whisking constantly, until mixture boils and is very thick, 5 to 7 minutes. Transfer milk mixture to clean bowl and cool to room temperature, about 2 hours.
- MAKE FROSTING With stand mixer fitted with whisk attachment, beat cooled milk mixture and vanilla on low speed until combined, about 30 seconds. Add butter, 1 piece at a time, and beat until incorporated, about 2 minutes. Increase speed to medium-high and beat until frosting is light and fluffy, about 5 minutes. Let sit at room temperature until stiff, about 1 hour.
- Frosting can be refrigerated in airtight container for 1 week. When ready to use, let stand at room temperature until softened, about 2 hours. Beat with stand mixer on medium-high speed until light and fluffy, about 1 minute.
make ahead
Time
40 minutes, plus 2 hours cooling and 1 hour restingYield
Makes about 4 cups (enough for two 9-inch cake layers)Ingredients
Test Kitchen Techniques
Ingredients
Test Kitchen Techniques
Ingredients
Test Kitchen Techniques
Why This Recipe Works
To produce our Miracle Frosting, we started by heating and stirring flour and milk into a thick paste, beating together sticks of butter and granulated sugar, adding the paste, and continuing to beat. To firm the icing and make it more spreadable, we adjusted the ratio of milk to flour and substituted cornstarch for some of the flour. The original recipe left little lumps of flour suspended in the icing. Adding sugar before heating the flour and milk mixture helped solve this problem. Straining the mixture before cooking it eliminated any residual lumps.
Before You Begin
Whole milk makes the richest, tastiest frosting. Use a stand mixer; the frosting is too thick for a hand mixer. And plan ahead, as the frosting needs time to cool.
Instructions
- COOK MILK BASE Combine sugar, flour, cornstarch, and salt in medium bowl. Slowly whisk in milk until smooth. Pour mixture through fine-mesh strainer into medium saucepan. Cook over medium heat, whisking constantly, until mixture boils and is very thick, 5 to 7 minutes. Transfer milk mixture to clean bowl and cool to room temperature, about 2 hours.
- MAKE FROSTING With stand mixer fitted with whisk attachment, beat cooled milk mixture and vanilla on low speed until combined, about 30 seconds. Add butter, 1 piece at a time, and beat until incorporated, about 2 minutes. Increase speed to medium-high and beat until frosting is light and fluffy, about 5 minutes. Let sit at room temperature until stiff, about 1 hour.
- Frosting can be refrigerated in airtight container for 1 week. When ready to use, let stand at room temperature until softened, about 2 hours. Beat with stand mixer on medium-high speed until light and fluffy, about 1 minute.
make ahead
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