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["CAKE: Sift dry ingredients into mixing bowl; make a well in center. In this order, add; oil, egg yolks, lemon juice, vanilla, lemon extract and zest. Beat until smooth. Combine cream of tartar and egg whites. Beat until very stiff peaks form. Pour egg-yolk batter in thin stream over entire surface of egg whites, gently folding to blend. Bake in 3 ungreased 9"" cake pans at 350u00b0F for 30 to 35 min.", "FILLING 1: Mix sweetened condensed milk with lemon juice, lemon extract and lemon zest. Chill until set.", "FILLING 2: Mix cornstarch, sugar and salt in top of double boiler. Stir in orange juice, lemon juice, lemon zest, butter, and lemon extract. Cook over boiling water about 5 min, stirring constantly. Cover and cook 10 min without stirring. Remove from heat and stir in egg yolks. Return to heat and cook 2 min longer, stirring constantly. Chill.", "FROSTING: Place sugar, corn syrup and water in a heavy-bottomed sauce pan. Bring to a boil and boil without stirring until the mixture reaches 240u00b0F on a candy thermometer. Beat the egg yolks with an electric mixer until pale and thick. Gradually beat in the hot syrup and beat until completely cool, 5 min. Beat in butter 1 piece at a time incorporating each completely before adding next. Beat in lemon extract, cream cheese and powdered sugar. Remove approx 1 cup frosting for decoration. Tint the remaining frosting with yellow food coloring.", "GLAZE: Mix powdered sugar and lemon juice until smooth and thin.", "ASSEMBLY: Trim and split the layers horizontally.Place 1/2 of one layer on cake plate, cover with 1/3 filling 1, top with other 1/2 of layer. Cover with 1/2 of filling 2. Repeat with remaining layers. Brush cake with glaze, chill until glaze hardens. Frost entire cake with yellow frosting, decorate with white frosting."]