1 (8 or 9 inch) baked pie shell
3 eggs, separated
1 (14 oz.) can condensed milk
1/2 c. lemon juice
1/4 tsp. cream of tartar
1/3 c. sugar

Preheat oven to 350 degrees. Beat egg yolks stir in milk and juice. Pour into pastry shell. Beat egg whites with cream of tartar until soft peaks form. Gradually add sugar, beating until stiff but not dry. Spread meringue on top of pie. Bake 12 to 15 minutes or until meringue is golden brown. Cool. Chill before serving.