INGREDIENTS
1 1/4 cups
all-purpose flour
1 1/4 cups
cake flour
1 tsp
baking powder
1/2 tsp
baking soda
1/2 tsp
salt
1 2/3 cups
granulated sugar
3/4 cup
unsalted butter, softened
1/4 cup
vegetable oil
3
large eggs
2
large egg yolks
2 tsp
vanilla extract
1 cup
buttermilk