Lemon Bars

INGREDIENTS

Crust:

1 3/4 cups

all-purpose flour

2/3 cup

powdered sugar, plus extra to sprinkle on bars

1/4 cup

cornstarch

1/2 tsp

salt

12 tbsp

butter (1 1/2 sticks), at cool room temperature, cut into 1-inch pieces

Filling:

large eggs

1 1/3 cups

granulated sugar

3 tbsp

all-purpose flour

2 tsp

grated lemon zest, from 2 large lemons

2/3 cup

freshly squeezed lemon juice, from 3 to 4 large lemons

1/3 cup

milk

salt