INGREDIENTS
1 1/4 cups
powdered sugar
1 tsp
fresh lemon zest
2 tbsp
fresh lemon juice
1/2 cup
(8 tablespoons, 4 ounces) butter, softened
3/4 cup
granulated sugar
1/2 cup
packed light brown sugar
2 tsp
baking powder
1/2 tsp
salt
1 tbsp
fresh lemon zest (from 1-2 medium lemons)
1
large egg
1 tsp
vanilla extract
2 1/3 cups
all-purpose flour
1/2 cup
sour cream
2 cups
fresh blueberries
2 tbsp
sparkling or coarse, raw sugar