Prick sides and bottom of uncooked pie shell with a fork to vent.
Bake uncooked pie shell in oven for 5 to 10 minutes, or until golden brown. Do not over-cook pie shell.
Remove cooked pie shell from oven and set aside.
Keep oven heated on at 350℉
Pie Filling:
In a sauce pan, whisk together 1 cup of granulated sugar, infused sugar (if using this infusion method), baking flour, cornstarch, infused maltodextrin powder (if using this infusion method) and salt.
Stir in water, lemon juice and lemon zest.
Cook over medium-high heat, stirring frequently until mixture comes to a boil.
Stir in butter and bring stove top heat to low.
In a small mixing bowl, whisk egg yolks until well beaten.
Slowly and gradually, in a thin stream, pour in ½ cup of hot sugar mixture while continuing to mix the egg yolks.
Once incorporated together, pour bowl of egg yolk + lemon sugar mixture back into sauce pan mixture.
Bring saucepan mixture to a boil and continue to cook until thick.
Remove from heat.
Pour lemon filling into baked pastry shell.
Meringue Topping
In a large glass or metal bowl, whip egg whites until foamy.
While whipping, gradually and slowly, pour in a thin stream, 6 TBS of granulated sugar and infused granulated sugar, if using this infusion method.
Continue to whip until stiff peaks form.
Spread whipped egg whites over lemon pie, sealing the edges at the crust.
Place pie back into oven and bake for 10 minutes or until meringue peaks turn golden brown.