INGREDIENTS
2 tbsp
Lemon, zest
2 tbsp
Orange, zest
5
Eggs, large
2 1/2 cups
All-purpose flour
1
Confectioners' sugar
1 3/4 cups
Granulated sugar
1/2 tsp
Salt, coarse
1 tsp
Sugar
1/2 cup
Grapefruit juice, fresh
1/4 cup
Ice water
1 cup
Butter, unsalted