Four Egg Sponge Cake - cooking recipe

Ingredients

4 eggs, separated
1 c. sugar
4 Tbsp. cold water
1 tsp. lemon extract
1 c. cake flour
1 1/2 tsp. baking powder
1/4 tsp. salt
1 1/2 Tbsp. cornstarch

Preparation

Beat egg yolks until thick and lemon colored.
Add sugar gradually.
Add cold water and mix thoroughly.
Sift flour before measuring, then sift 4 times with salt, baking powder and cornstarch.
Add eggs and sugar; mix.
Fold in stiffly beaten egg whites and bake in ungreased tube pan in slow 320\u00b0 oven for 1 hour.