Kentucky Butter Cake

Bahan-bahan (16 porsi)

• 1 cup buttermilk ((see note))
• 4 large eggs
• 2 teaspoons vanilla extract
• 3 cups all-purpose flour, (spooned into measuring cup and leveled-off)
• 2 cups granulated sugar
• 1 teaspoon baking powder
• ½ teaspoon baking soda
• 1 teaspoon salt
• 1 cup (2 sticks) unsalted butter, softened
• Confectioners' sugar, (for dusting)
• 5 tablespoons unsalted butter
• ¾ cup granulated sugar
• ¼ cup water
• 2 teaspoons vanilla extract