Twinkie Bundt Cake | Food Stuff

Ingredients

• 1 tablespoon baking powder
• 1 cup buttermilk, at room temperature
• 3 cups cake flour
• 3 large eggs plus 4 large egg yolks, at room temperature
• 2 cups granulated sugar
• 1 7.5-ounce jar marshmallow crème
• 3/4 teaspoon salt
• 8 tablespoons (4 ounces) unsalted butter, at room temperature
• 1 teaspoon vanilla extract
• 1/2 cup mild vegetable oil, such as canola, grapeseed, safflower, or sunflower