INGREDIENTS
1 cup
unsalted butter, room temperature
2 1/2 cups
granulated sugar
6
large eggs, room temperature
3 cups
all-purpose flour plus 2 tablespoons, sifted, separated
1 tsp
salt
1/2 tsp
baking powder
1/4 tsp
baking soda
1 cup
sour cream, room temperature
1 tbsp
pure vanilla extract
1 tsp
orange extract
1 tsp
fresh orange zest
2 cups
fresh blueberries
1 1/3 cups
powdered sugar, sifted
3 tbsp
fresh orange juice