INGREDIENTS
SHORTBREAD:
1 cup
unsalted butter, softened
2/3 cup
powdered sugar
2 cups
all-purpose flour
salt
LEMON FILLING:
2 cups
sugar
4
eggs
1/2 cup
freshly squeezed lemon juice
2 tbsp
finely grated lemon zest
1/2 tsp
baking powder
1/4 cup
all-purpose flour