Florence Wassman'S Sponge Cake - cooking recipe

Ingredients

4 or 5 egg yolks
1 1/2 c. sugar
1/2 c. boiling water
1 1/2 c. flour
1/4 tsp. salt
1 tsp. baking powder
vanilla

Preparation

Whip egg yolks and mix all ingredients together.
Whip and fold in egg whites.
Pour into tube pan.
Bake at 350\u00b0 for 1 hour to 1 hour and 15 minutes.