President Lincoln's Lemon Custard Pie

Step 1: In a medium saucepan combine sugar, the cornstarch and salt

Step 2: Mix well.

Step 3: Whisk in lemon juice and water until combined.

Step 4: Whisk in egg yolks. Bring to a boil over medium heat, stirring constantly.

Step 5: Boil 1 minute, then remove from heat and stir in lemon zest.

Step 6: Pour into baked pie crust.

Step 7: Preheat oven to 350 degrees F.

Step 8: In a medium bowl, with an electric mixer, beat egg whites until soft peaks form. Add remaining 3 tablespoons sugar and continue beating until stiff peaks form. Spread meringue over pie filling, sealing to edges of crust.

Step 9: Bake 12 to 15 minutes, or until golden. Let cool 6 hours, then slice and serve.