Old Fashion Jelly Roll
["4 egg yolks", "2/3 c. sugar", "2/3 c. pastry flour", "4 egg whites, beaten", "1 tsp. lemon", "1/8 tsp. lemon extract", "1/8 tsp. salt", "2/3 tsp. baking powder", "2/3 c. jelly (any kind)"]
["Beat egg yolks until thick and lemon colored.", "Add sugar slowly and beat until creamy. Fold in flour, mixing lightly.", "Add rest of ingredients.", "Pour to thickness of 1/3 in shallow low pan lined with wax paper.", "Bake 10 minutes in moderate oven.", "Unmold on damp cloth. Allow to stand 4 minutes.", "Peel off paper. Spread jelly on cake and wrap in wax paper.", "When ready, spread with powdered sugar.", "Any kind of jelly will do; currant, grape or plum are the favorites."]
["egg yolks", "sugar", "pastry flour", "egg whites", "lemon", "lemon extract", "salt", "baking powder"]