La Buche De Noel
["4 egg yolks", "1/4 c. sugar", "1/2 tsp. vanilla", "4 egg whites", "1/2 c. sugar", "3/4 c. sifted cake flour", "1 tsp. baking powder", "1/4 tsp. salt"]
["Beat egg yolks until thick and lemon colored; gradually beat in 1/4 cup of sugar and vanilla."]
["egg yolks", "sugar", "vanilla", "egg whites", "sugar", "cake flour", "baking powder", "salt"]