Jelly Roll Cake
["4 eggs", "3/4 c. sugar", "1 tsp. baking powder", "1 tsp. vanilla", "3/4 c. sifted cake flour"]
["Beat eggs, until eggs are fluffy and then add sugar gradually and beat until lemon colored and double in amount.", "Add vanilla. Fold in flour which has been sifted with baking powder.", "Mix until well blended.", "Pour into jelly roll pan which has been covered with wax paper and greased.", "Bake in 400\u00b0 oven for 12 minutes.", "When cake is baked, put on dampened dish towel and pull wax paper off and roll in towel.", "When cool, unroll and spread with currant jam and roll.", "Before serving, dust with powdered sugar."]
["eggs", "sugar", "baking powder", "vanilla", "cake flour"]