INGREDIENTS
1
+ 2/3 cups cake flour (not self-rising)
1/4 tsp
baking soda
1 tsp
baking powder
1/2 tsp
salt
1 stick
unsalted butter, softened
2/3 cup
granulated sugar
2
large eggs
1 tsp
pure vanilla extract
3/4 cup
sour cream
1
+ 1/4 cups blueberries
10 tbsp
butter, room temperature
8 oz
cream cheese, room temperature
1 tsp
fresh lemon zest (just the yellow part not the pith)
1/2 tsp
pure vanilla extract
3
+ 1/2 cups confectioners' sugar, sifted