-
Preheat oven to 350°.
-
Make crust first.
-
In a large bowl, add in your 2 cups flour, 1/2 cup powdered sugar, melted butter, mix with a pastry blender until crumbly.
-
Press mixture into a greased 9 x 13 pan, poke crust with fork all over so crust doesn't bubble up.
-
Bake 10-15 minutes or until golden. Be sure to make sure crust doesn't turn brown.
-
Take crust out and let rest 10 minutes.
-
Leave oven on. While crust is resting make filling.
-
In a large mixing bowl beat on low eggs, 1/4 cup flour, lemon juice, lemon rind, baking powder, salt, sugar and vanilla.
-
Pour filling mixture over crust and bake 60 minutes. When done take out of oven and sprinkle 1/2 cup of powdered sugar over while warm.
-
Chill bars at least 1 1/2 hours before eating.