• Preheat oven to 350°F.
• Line a 9x13 baking pan with parchment paper
• In a large mixing bowl, whisk together the flour, cornstarch, sugar, vanilla vodka and salt.
• Cube the butter into smaller pieces and add to the flour mixture. Using your hands cut the butter into the mixture until it's crumbly and starts to come together.
• Scoop the mixture into the prepared baking pan and press it down into one even layer.
• Bake at 350°F for 20-25 minutes

To make the lemon filling:

• In a large mixing bowl, whisk together the granulated sugar and flour.
• Add in the eggs and lemon juice and citrus vodka and mix until fully combined.
• Pour the lemon filling over the crust and return to the oven.
• Bake at 350°F for 18-22 minutes or until the lemon filling is set.
• Remove from the oven and transfer to a wire rack to cool for 1 hour.

Meringue:

• Preheat oven to 350 degrees
• Using a standing mixer, whip the egg whites until they are glossy and smooth, then add the cream of tartar to help the egg whites hold their form.
• Slowly add the sugar to the egg whites and then add vanilla.
• Scoop into the piping bag
• Pipe the meringue on top of the lemon bars and place into the oven that is preheated to 350 degrees for about 10 minutes
• Let cool for a few minutes before cutting and enjoying