Seafoam Frosting - Fluffy Brown Sugar Frosting

Seafoam Frosting with Brown Sugar
Photo: Diana Rattray
  • 40 mins
  • Prep: 20 mins,
  • Cook: 20 mins
  • Yield: 1 cake's worth (1 portion)
Ratings (5)

This seafoam frosting is a fluffy brown sugar frosting. It's an easy frosting to make. A reliable candy thermometer makes the cooking a snap.

Related Recipe: Brown Sugar 7-Minute Frosting

What You'll Need

  • 1 1/2 cups brown sugar
  • 1/2 cup water
  • 1/4 teaspoon cream of tartar
  • 4 large egg whites
  • 1/2 teaspoon vanilla extract

How to Make It

  1. Combine the brown sugar, water, and cream of tartar in a heavy saucepan; stir to blend. Attach a candy thermometer. Bring to a boil. Boil to 242 F on the candy thermometer (thread stage).
  2. Meanwhile, beat the egg whites until stiff peaks form.
  3. Slowly pour the syrup mixture into the egg whites in a thin stream while beating.
  4. Beat in the vanilla 
  5. Makes a generous amount, enough to frost and fill a 2- or 3-layer cake.

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    Nutritional Guidelines (per serving)
    Calories 835
    Total Fat 0 g
    Saturated Fat 0 g
    Unsaturated Fat 0 g
    Cholesterol 0 mg
    Sodium 410 mg
    Carbohydrates 182 g
    Dietary Fiber 0 g
    Protein 26 g
    (The nutrition information on our recipes is calculated using an ingredient database and should be considered an estimate. Individual results may vary.)