Prinzregententorte | I love German Food

Ingredients

• 1 cup butter, plus
• 2 tablespoons butter
• 1 cup sugar, plus
• 2 tablespoons sugar
• 4 eggs
• 1 teaspoon pure vanilla extract
• 1 3/4 cups all-purpose flour
• 1/2 cup cornstarch
• 1 teaspoon baking powder
• 1/4 cup unsweetened cocoa
• 2/3 cup sugar
• 2 1/2 cups milk
• 1/2 cup salted butter, plus
• 2 tablespoons salted butter
• 1/2 cup unsalted butter, plus
• 2 tablespoons unsalted butter
• 12 -14 ounces semisweet chocolate
• whipped cream
• chocolate shavings