Devil's food cake

Adapted from Martha Stewart

Ingredient List:
• 1 1/2 cups (360 gm) salted butter
• 1 1/4 cups unsweetened cocoa powder
• 1 1/4 cups hot milk
• 3 cups all-purpose flour
• 1 teaspoon baking powder
• 1 teaspoon baking soda
• 2 1/4 cups granulated sugar
• 4 large eggs
• 1 tablespoon vanilla essence
• 1 cup sour cream

Frosting:

• Chocolate Ganache
• Chocolate butter cream