Crush the biscuits with a blender or chopper and preheat the oven to 350 degrees F

Add the melted butter and vanilla extract until fully combined

Pour the mixture into a 6 inch pan and gently press down for an even crust

Bake for 10 minutes

Mix the eggs with the erythritol until the eggs double in size then add the cream cheese, lemon juice and lemon extract

Add the flour at the end and mix gently with a spatula

Pour the cheesecake filling over the crust and bake for 45-55 minutes