01 -
1 1/4 cups (2 1/2 sticks) salted butter, room temperature.
02 -
3 cups granulated sugar.
03 -
6 large eggs, room temperature.
04 -
3 cups cake flour.
05 -
1/4 cup buttermilk, room temperature.
06 -
2 teaspoons lemon extract.
07 -
1 teaspoon lemon zest.
08 -
2 cups fresh blueberries.
09 -
2 cups confectioners' sugar.
10 -
1/4 cup lemon juice.