Ingredients

  • 1 1/4 c. cake flour or all-purpose flour
  • 1 3/4 c. sugar
  • 1 3/4 c. egg whites (12 to 13 eggs)
  • 1 1/2 tsp. cream of tartar
  • 1/4 tsp. salt
  • 1 1/2 tsp. vanilla
  • 5 egg yolks
  • 2 Tbsp. cake flour or all-purpose flour
  • 2 Tbsp. sugar
  • 1 Tbsp. grated lemon peel

Method

  • Sift flour and 3/4 cup sugar three times.
  • Reserve.
  • Beat egg whites, cream of tartar and salt in large bowl until soft peaks form, 2 minutes.
  • Gradually beat in 1 cup sugar to form stiff peaks, 3 to 4 minutes.
  • Gently fold 1/2 cup flour mixture into whites.
  • Repeat with remaining flour mixture, 1/2 cup at a time. Add vanilla.
  • Remove 1/3 batter to medium-size bowl.
  • Beat yolks, 2 tablespoons flour and 2 tablespoons sugar in bowl until pale yellow and ribbony, for about 2 to 3 minutes.
  • Stir in peel.
  • Fold yolk mixture into reserved egg white batter mixture.