INGREDIENTS
2/3 cup
superfine sugar
8 oz
butter
1 large
egg yolk
2 tsp
lemon juice
2 tsp
lemon zest
2 1/4 cups
flour
1/3 cup
butter
4 cups
confectioners' sugar
4 tbsp
lemon juice
1/2 tsp
lemon zest
1 tbsp
optional: milk
1 serving
garnish: confectioners' sugar