Lemon Bars

I've been craving these for just about a week and tomorrow I will make them... SO EXCITED!!
Crust
4 1/2 oz unsalted butter
1/3 cup sugar
1 1/4 cups all purpose flour
confectioners sugar for dusting
lemon topping
4 eggs lightly beaten
1 cup sugar
1/4 lemon juice
1 tbs lemon zest
1/4 cup flour
1/2 tsp baking powder

preheat oven to 350 lightly grease a shallow baking pan.
cream the butter and sugar with electric beaters until pale and fluffy.
fold in the flour with a metal spoon.
press into the tin and bake for 20 minutes or until golden brown and firm.
beat the eggs and sugar with an electric beaters for 2 minutes or until light and flurry.
stir in the lemon juice and lemon zest.
sift together the flour and baking powder and gradually whisk into the egg mixture.
pour onto the base.
bake for 25 minutes or until just firm.
cool in the pan and dust with confectioners sugar.