Golden Sponge Loaf - cooking recipe

Ingredients

1 2/3 c. sifted cake flour
1 tsp. baking powder
1/2 tsp. salt
10 egg yolks (room temperature)
1/2 c. hot water
1 tsp. lemon extract
1 c. sugar

Preparation

Sift flour once.
Measure.
Add baking powder and salt; sift together.
Beat egg yolks with rotary eggbeater until thickened slightly.
Add hot water gradually, beating until mixture is very thick and light (about 10 minutes); electric mixer 5 minutes.
Add flavoring to egg yolks, then add sugar gradually, beating constantly.
Fold in flour, 1/4 at a time, folding just until blended.