INGREDIENTS
1
Orange, Zest of
2 tsp
Orange, zest
1
Egg, large
1 3/4 cups
All-purpose flour
1 tbsp
Baking powder
1 1/2 cups
Confectioners' sugar
1/2 tsp
Salt
2/3 cup
Sugar
1/2 cup
Orange juice, freshly squeezed
1/2 cup
Butter, unsalted
1 cup
Sour cream