Ingredients 3/4 cup granulated sugar 2 tablespoons cornstarch 1/8 teaspoon salt 3/4 cup cold water 2 egg yolks, 1 teaspoon grated lemon peel Juice of medium lemon 1 tablespoon butter or margarine Instructions Click to mark complete - In small saucepan, combine sugar, cornstarch and salt. Gradually add water and whisk until well blended. Whisk in egg yolks and lemon juice. - Cook over medium heat, whisking constantly, until thickened and boiling, about 5 minutes. Boil for one minute; remove from heat. Strain through fine mesh strainer. - Stir in lemon zest and butter. Cool to room temperature, without stirring.