01 -
Preheat oven to 350 degrees. Line 9x13 inch baking dish with parchment paper.
02 -
Mix butter, granulated sugar, vanilla extract, and salt. Add flour and mix until combined. Spread and pat into prepared baking dish.
03 -
Bake for 20 minutes until very lightly browned.
04 -
Whisk sugar, flour, eggs, lemon zest, and lemon juice together in a large bowl. Pour over warm crust.
05 -
Bake 25 minutes, rotating halfway through. Cool, then refrigerate 2 hours to overnight. Dust with powdered sugar before serving.