INGREDIENTS
Nonstick cooking spray
3/4 cup
all-purpose flour plus 2 tablespoons
2/3 cup
granulated sugar plus 3 tablespoons
1/2 stick
cold butter, cut into 1/2-inch cubes
1
egg
1
egg white
1/4 tsp
finely grated lemon zest
2 tbsp
lemon juice
1 tbsp
water
1/4 tsp
baking powder
1 tbsp
powdered sugar