Lucas's Luscious Lemon Bars

INGREDIENTS

1 cup

all-purpose flour

1/4 cup

confectioner\'s sugar

1 pinch

salt

1/2 cup

unsalted butter, softened slightly and cut into 1/2-inch cubes

eggs

3/4 cup

sugar

1/3 cup

freshly squeezed lemon juice, from about 1-1/2 large, heavy lemons

3 tbsp

all-purpose flour

2 tsp

lemon zest, from 1 large lemon

1/2 tsp

baking powder

1 pinch

salt

Confectioner\'s sugar, for dusting