INGREDIENTS
1/2 cup
unsalted butter, softened
1 cup
granulated sugar
1 tsp
pure vanilla extract
1
large egg
1
and 1/2 cups all-purpose flour
1 tsp
clementine zest
1 tsp
lemon zest
1/4 tsp
salt
1/4 tsp
baking powder
1/8 tsp
baking soda
1/2 cup
powdered sugar