BLACK AND WHITE CAKE (Food Network) - Tailgate Guru

Ingredients

• 1 1/2 sticks unsalted butter, plus more for the pans
• 3/4 cup unsweetened dark cocoa powder, plus more for the pans
• 1 cup whole milk
• 1 3/4 cups granulated sugar
• 2 1/4 cups all-purpose flour
• 1/2 tsp baking powder
• 1/2 tsp baking soda
• 1/2 tsp salt
• 3 large eggs
• 1 tsp pure vanilla extract
• 8 ounces white chocolate, chopped, plus shaved chocolate for topping
• 3 sticks unsalted butter, at room temperature
• Pinch of salt
• 2 1/2 cups confectioners’ sugar
• 1 1/2 tsp pure vanilla extract