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Seven-Minute Icing

By America's Test Kitchen

Published on July 31, 2013

Yield

Makes about 6 cups

Seven-Minute Icing

Ingredients

3 tablespoons water, plus water for simmering4 large egg whites 1 ¼ cups (8¾ ounces/248 grams) sugar 1 teaspoon cream of tartar Pinch table salt 1 teaspoon vanilla extract

Before You Begin

This recipe gets its name for the seven minutes that it takes to beat it over simmering water. In step 2, you can speed up the cooling down process by transferring the hot egg white mixture to a standing mixer and beat on medium-high speed until thick and stiff, about 5 minutes.

Instructions

  1. Bring 1 inch water to simmer in medium saucepan over medium heat. Whisk water, egg whites, sugar, cream of tartar and salt together in medium bowl large enough to rest on sides of saucepan, but not deep enough to touch simmering water inside. Place bowl over barely simmering water, and using electric hand mixer, beat egg white mixture on medium-high speed until it forms stiff peaks, 6 to 8 minutes.
  2. Remove bowl from saucepan, add vanilla, and continue to beat until mixture is cooled to room temperature and icing is very thick and stiff, about 8 to 10 minutes. Use immediately.
Seven-Minute Icing

Seven-Minute Icing

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By America's Test Kitchen
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Yield

Makes about 6 cups

Ingredients

3 tablespoons water, plus water for simmering
4 large egg whites
1 ¼ cups (8¾ ounces/248 grams) sugar
1 teaspoon cream of tartar
Pinch table salt
1 teaspoon vanilla extract

Ingredients

3 tablespoons water, plus water for simmering
4 large egg whites
1 ¼ cups (8¾ ounces/248 grams) sugar
1 teaspoon cream of tartar
Pinch table salt
1 teaspoon vanilla extract

Ingredients

3 tablespoons water, plus water for simmering
4 large egg whites
1 ¼ cups (8¾ ounces/248 grams) sugar
1 teaspoon cream of tartar
Pinch table salt
1 teaspoon vanilla extract

Why This Recipe Works

Fluffy Seven-Minute Icing is a thick, glossy frosting made from egg whites and sugar cooked together. Taking its name from the time it takes to beat the frosting over simmering water, our easy recipe is the perfect finishing touch to any cake or cupcake.

Before You Begin

This recipe gets its name for the seven minutes that it takes to beat it over simmering water. In step 2, you can speed up the cooling down process by transferring the hot egg white mixture to a standing mixer and beat on medium-high speed until thick and stiff, about 5 minutes.

Instructions

  1. Bring 1 inch water to simmer in medium saucepan over medium heat. Whisk water, egg whites, sugar, cream of tartar and salt together in medium bowl large enough to rest on sides of saucepan, but not deep enough to touch simmering water inside. Place bowl over barely simmering water, and using electric hand mixer, beat egg white mixture on medium-high speed until it forms stiff peaks, 6 to 8 minutes.
  2. Remove bowl from saucepan, add vanilla, and continue to beat until mixture is cooled to room temperature and icing is very thick and stiff, about 8 to 10 minutes. Use immediately.

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