INGREDIENTS
3 cups
cake flour
1 tbsp
baking powder
3/4 tsp
salt
6 tbsp
unsalted butter, at room temperature
1 tbsp
pure vanilla extract
2 cups
granulated sugar
1/2 cup
vegetable oil
3
large eggs plus 4 large egg yolks, at room temperature
1 cup
buttermilk, at room temperature
1
jar marshmallow creme
1/2 cup
(1 stick)(114 g) unsalted butter, at room temperature
1 tsp
pure vanilla extract
Confectioners' sugar, for dusting (optional)