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["Heat oven to 275u00b0.", "With electric mixer at high speed or hand beater, beat 4 egg whites until frothy.", "Then add cream of tartar and beat until eggs are peaky.", "Then add 1 C sugar continuing to beat until stiff.", "Spread meringue into greased 9"" pie plate, hollowing center until 1/4"" thick and keeping meringue off edge of pie plate.", "Bake at 275u00b0 for 1 hour, then at 300u00b0 for 20 minutes or until lightly browned and crisp to touch.", "-----", "Filling:", "In double boiler, beat until well blended the 4 egg yolks, 1/2 C sugar, 3 Tbsp lemon juice and 2 tsp grated lemon rind, cooking over hot water until thick.", "Remove double boiler from heat, cover and let mixture cool.", "Then whip 1 C heavy cream and spread half inside cooled meringue. Stir filling and spoon into shell. Top with the rest of cream and chill 12 to 24 hours."]