Sunshine Sponge Cake

Total Time
Prep: 25 min. Bake: 45 min.

Updated on Jun. 27, 2023

This is one of my favorite cakes to make. I prepare it for company or a bake sales and it is a hit every time!—Helen Woronik, Salem, Connecticut

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Sunshine Sponge Cake

Yield: 14 servings
Prep: 25 min
Cook: 45 min

Ingredients

  • 9 eggs, separated
  • 1/4 cup water
  • 1 tablespoon minced fresh lemon verbena leaves
  • 1 teaspoon vanilla extract
  • 1-1/2 cups sugar, divided
  • 1-1/4 cups all-purpose flour
  • 1/2 teaspoon baking powder
  • 1 teaspoon cream of tartar
  • 1/2 teaspoon salt
  • lemon butter frosting:
    • 4-1/2 cups confectioners' sugar
    • 1/3 cup butter, softened
    • 1/4 cup lemon juice
    • 1 teaspoon vanilla extract
    • 1/4 teaspoon lemon extract
    • Daisies and additional lemon verbena leaves, optional

Directions

  1. Preheat oven to 350°. In a bowl, beat the egg yolks on high until thickened and lemon-colored. Add water, lemon verbena and vanilla. Gradually beat in 1 cup sugar. beat for 4-5 minutes or until mixture doubles in volume. Combine flour and baking powder; sprinkle 1/4 cupful over batter and fold in until combined. Repeat with remaining flour mixture; set aside.
  2. In another bowl, beat the egg whites, cream of tartar and salt until soft peaks form. Add remaining sugar, 1 tablespoon at a time, beating until stiff peaks form. Gently fold into batter. Pour into an ungreased 10-in. tube pan. Bake until top springs back when lightly touched, 45-50 minutes. Immediately invert the pan; cool completely. Run a knife around sides of pan and remove cake to a serving plate.
  3. In a bowl, cream 2 cups sugar, butter, lemon juice and extracts. Slowly add remaining sugar. If needed, beat in a small amount of water until the frosting reaches desired spreading consistency. Frost cake. Garnish with daisies and lemon verbena if desired.
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