Crust:
1 cup of melted butter
2 2/3 cup flour
1/2 cup sugar

Mix together and press into a 9×12″ cake pan. Bake at 350-degrees for 20-minutes or until brown on the edges.

Filling:
4 eggs
6 tablespoons of lemon juice
zest of one-two lemons depending on how tart you want it
4 tablespoons flour
1/2 tsp baking powder
1 1/2 cup sugar

Whisk all ingredients until smooth. Pour on top of slightly cooled crust and bake 18-20 minutes. Sprinkle with powdered sugar.