Preheat oven to 350°. Line a 9 by 9 baking pan with parchment paper.

In a mixing bowl combine all the shortbread crust ingredients

Press the dough into the bottom of the 9x9 baking pan.

Bake for 15 minutes

Meanwhile, mix all the lemon layer ingredients and whisk together

Once the crust is done pour the lemon layer mixture over the crust

Bake for an additional 40-50 minutes or until lemon layer has set

Completely cool then dust with powdered sugar as desired