Preheat your oven to 350°F (175°C).
In a mixing bowl, combine the flour, sugar, and salt.
Add the softened butter and mix until crumbly.
Beat in the egg until the mixture comes together.
Press the dough into a 9-inch pie pan evenly.
In another bowl, whisk together honey, lemon juice, and vanilla extract.
Pour the honey mixture into the prepared crust.
Bake in the preheated oven for 30 minutes or until set.
Allow to cool completely before slicing.
Garnish with lemon slices and mint leaves before serving.