INGREDIENTS
1 1/2 cups
unsalted butter, at room temperature ((3 sticks))
2 2/3 cups
sugar
9
egg whites (at room temperature)
4 1/2 cups
all-purpose flour
2 tbsp
baking powder
1 tsp
salt
2 cups
buttermilk (at room temperature)
1
vanilla bean (split & scraped or 1 tablespoon vanilla bean paste)
1 tsp
pure vanilla extract
1 1/2 cups
unsalted butter, ((3 sticks) at room temperature)
6 cups
confectioner's sugar (sifted*)
1 cup
fresh strawberries
1 tsp
vanilla extract