Kentucky Bourbon Butter Cake Recipe

Ingredients

• 1 cup buttermilk, at room temperature
• 1 teaspoon pure vanilla extract
• 3 cups cake flour
• 4 large eggs, at room temperature
• 1 teaspoon baking powder
• ½ teaspoon baking soda
• ¾ cup granulated sugar
• 1 cup unsalted butter, at room temperature
• 1 ½ cups granulated sugar
• ½ cup tightly packed dark OR light brown sugar
• 1 teaspoon kosher salt
• ¼ cup bourbon whiskey
• 6 tablespoons unsalted butter