Czechoslovakian Babovka(Sponge Cake) - cooking recipe

Ingredients

1 pkg. active dry yeast
1/2 c. lukewarm water
1 Tbsp. sugar
3 c. sifted flour
1/2 c. soft butter
1/2 c. sugar
4 egg yolks, well beaten
1 tsp. vanilla
3/4 tsp. salt
4 egg whites, beaten stiff
1 c. blanched almonds, coarsely chopped

Preparation

Dissolve yeast in warm water.
Stir in tablespoon of sugar and set aside to rise for 15 minutes.
Stir in 1 cup flour and let rise until spongy and light, about 30 minutes.