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["Cake:", "Cream butter and cream cheese; gradually add sugar, beating well at medium speed of an electric mixer.", "Add eggs, one at a time, beating well after each addition. Add sour cream and beat just until blended.", "Add flour to creamed mixture, beating just until blended. Stir in vanilla.", "Pour batter into a greased and floured 9-inch round cake pan. Bake at 325u00b0F for 1 hour or until a wooden pick comes out clean.", "Cool in the pan for 10 minutes. Remove and cool completely on a wire rack. Place in freezer until frosting.", "Frosting:", "Combine sugar, cornstarch, and lemon rind in a heavy saucepan; stir well. Stir in juice and water. Cook over medium heat, stirring constantly, until the mixture thickens and comes to a boil. Boil 1 minutes stirring constantly.", "Gradually stir about half of the hot mixture into the beaten egg. Stir into the remaining hot mixture. Cook stirring constantly over medium heat for 2 minutes, until thick and bubbly.", "Transfer mixture to a small bowl and chill completely.", "Beat whipping cream at high speed of mixer (freeze bowl, cream, and whisk before whipping) until stiff peaks form. Stir in 1/2 cup whipped cream into the lemon mixture. Fold in the lemon mixture into the whipped cream.", "Spread over the top and sides of cake.", "Using a vegetable peeler, make chocolate curls from the bars of white chocolate. If you want to get ""fancy"
