Jelly Roll
["1/2 c. all-purpose flour", "1 tsp. baking powder", "4 egg yolks", "1/2 tsp. vanilla", "1/3 c. sugar", "4 egg whites", "1/2 c. jelly or jam", "sifted powdered sugar"]
["Combine flour and baking powder; set aside.", "In a mixing bowl, beat egg yolks and vanilla with electric mixer on high for 5 minutes or until thick and lemon colored.", "Gradually add the 1/3 cup sugar, beating on high until sugar is nearly dissolved.", "Wash beaters."]
["all-purpose", "baking powder", "egg yolks", "vanilla", "sugar", "egg whites", "powdered sugar"]