For the pie crust

Combine pie crust ingredients together, roll into a ball, use the palm of your hand to flatten crust to about 1 inch. Wrap in plastic wrap and chill in the refrigerator for at least 1 hour.  Roll out 1 crust and line a pie plate with it and then chill the pie crust in the refrigerator for at least 30 minutes.

Preheat oven to 375 degrees.

Line your cold pie shell with parchment paper or aluminum foil so that the foil extends over the edges and fill the pie crust two-thirds of the way with pie weights or dry beans.

Bake for 15 minutes. Then remove the parchment paper and pie weights. Poke the bottom of the crust a few times with the tines of a fork to prevent the bottom of the crust from bubbling up.

Put the pie crust back in the oven and bake for an additional 15 minutes  {or until the crust is lightly browned}. Remove from oven and set aside.

Reduce the oven temperature to 325 degrees.

For the filling

Whisk the egg yolks together in a medium bowl and set aside.

In a medium saucepan whisk the water, granulated sugar, cornstarch, salt, lemon zest and lemon juice together over medium heat. Bring to a boil over medium heat, whisking constantly. Let it simmer for a minute or two until the mixture begins to thicken.

Once the cornstarch mixture has thickened, slowly begin whisking it into beaten egg yolks you set aside earlier about a tablespoonful at a time to temper the yolks. Continue to whisk in the cornstarch mixture a little at a time until you’ve used about half of the cornstarch mixture.

After you have about half of the cornstarch mixture in the eggs, whisk the egg yolk mixture back into the pot with the cornstarch. Return to a boil over medium heat and stir constantly. Cook 3 to 4 minutes until the mixture is nice and thick.

Remove from heat and stir in the butter.

Pour filling immediately into a pre-baked 9″ pie shell and set aside.

For the Meringue

Using a stand mixture with the whisk attachment, beat the egg whites and cream of tartar together on medium speed for 1 minute, then increase to high speed until soft peaks form {about 2-3 minutes}.

Add the sugar and salt, then continue beating on high speed until stiff peaks form {about 1-2 minutes}.

Spread the meringue over the lemon filling making sure to spread the meringue all the way to the edges so that it touches the crust.

Bake the pie for 18 – 20 minutes at 325 degrees, or until the meringue is golden brown.

Transfer to a wire rack and let cool completely to room temperature and then chill in the refrigerator for at least 2 hours before serving.