Lemon Jelly Roll Cake
["5 eggs, separated", "1 c. sugar", "1 Tbsp. grated lemon rind", "1 c. jelly or jam", "2 Tbsp. lemon juice", "1 c. cake flour", "1/4 tsp. salt", "confectioners sugar"]
["Beat", "egg whites until stiff, but not dry.", "Add 1/2 the sugar slowly,", "beating constantly.", "Beat egg yolks in another bowl until", "thick", "and", "lemon", "colored.", "Add", "remaining sugar gradually,", "continuing", "to", "beat", "until stiff enough to hold a soft peak.", "Add grated lemon rind and juice.", "Fold gently into egg white", "mixture.", "Combine flour and salt and fold quickly, but lightly, into egg mixture.", "Line shallow 11 x 16-inch pan with waxed", "paper.", "Pour", "batter and bake in moderate oven at 350\u00b0 for 15", "minutes, being careful not to overbake it.", "Turn into", "a clean towel, well sprinkled with confectioners sugar. Remove paper", "and", "trim", "crust.", "Roll,", "lifting", "end of towel nearest you.", "Wrap in towel and cool.", "Unroll; spread with jam or", "jelly. Very", "good if spread with Jell-O lemon pudding and pie filling."]
["eggs", "sugar", "lemon rind", "lemon juice", "cake flour", "salt", "confectioners sugar"]