-
In saucepan, combine sugar,
cornstarch, and salt; stir in milk.
-
Cook and stir over medium-high heat
till thickened and bubbly; cook and stir 1 minute more.
-
Blend small amount of hot mixture into
egg yolk; return to hot mixture.
-
Cook 2 minutes, stirring constantly.
-
Remove from heat; add butter, lemon
peel, and juice.
-
Cover; cool to room temperature.
-
Fold in sour cream; spoon into pastry
shells.
-
Beat egg white with cream of tartar
and vanilla to soft peaks.
-
Gradually add sugar, beating to stiff
peaks.
-
Spread meringue atop pies, sealing to
edge of pastry.
-
Bake in moderate oven (350°) for 10-12
minutes or till meringue is golden brown.