🍰 Marble Cake

👉🏻 A simple but beautiful cake! Enjoy with a good book and cup of tea!

▫️2/3 cup buttermilk
▫️1 3/4 cups cake flour
▫️2 teaspoons baking powder
▫️1/2 teaspoon salt
▫️1/2 cup unsalted butter, softened
▫️1 cup sugar
▫️3 eggs, room temperature
▫️1 teaspoon vanilla extract
▫️1/4 cup + 1 tablespoon cocoa powder
▫️1/4 cup + 2 tablespoons hot water