STEP ONEHEAT oven to 425°F. Prepare single pie crust according to recipe directions, using a 9-inch pie plate. Thoroughly prick bottom and sides with fork to prevent shrinking.
STEP TWOBAKE 16 to 20 minutes or until edges and bottom are golden brown.
MERINGUE - STEP 1
STEP ONECOMBINE 2 tablespoons sugar, 1 tablespoon cornstarch and water in small saucepan. Stir until cornstarch dissolves. Cook and stir on medium heat until mixture is clear. Cool while preparing filling. Heat oven to 350°F.
STEP ONECOMBINE 1 1/2 cups sugar, 6 tablespoons cornstarch and salt in medium saucepan. Gradually add water, stirring constantly. Cook and stir on medium heat until mixture comes to a boil. Cook and stir constantly 1 minute. Remove from heat.
STEP TWOADD about one third of hot mixture slowly to egg yolks. Mix well. Return mixture to saucepan. Bring to a boil on medium heat. Cook and stir 1 minute. Remove from heat. Stir in butter and lemon peel. Add lemon juice slowly. Mix well. Spoon into baked pie crust.
MERINGUE - STEP 2
STEP ONEBEAT egg whites and vanilla in medium bowl with electric mixer at high speed until soft peaks form. Beat in remaining 6 tablespoons sugar, 1 tablespoon at a time. Beat well after each addition.
STEP TWOADD cooled cornstarch mixture gradually and continue beating until stiff peaks form. Spread over lemon filling, covering completely and sealing to edge of crust.
STEP THREEBAKE 15 to 20 minutes or until meringue is golden. Cool. Refrigerate.