INGREDIENTS
1 cup
unsalted butter, softened to room temperature
1
and 1/4 cups (250g) granulated sugar
1/2 cup
packed light brown sugar
4
large eggs, at room temperature*
1 tbsp
vanilla extract
3 cups
sifted all-purpose flour, (spoon & leveled)*
1 tbsp
baking powder
1/2 tsp
salt
1 cup
buttermilk*
zest + juice of 3 medium lemons*
1
and 1/2 cups blueberries, fresh (258g) or frozen (do not thaw-- 275g)
1 tbsp
all-purpose flour
8 oz
full-fat brick style cream cheese, softened to room temperature*
1/2 cup
unsalted butter, softened to room temperature
3
and 1/2 cups (420g) confectioners' sugar
1 tbsp
(15-30ml) heavy cream*
1 tsp
vanilla extract
salt