Black Velvet Cake Recipe

Name: Black Velvet Cake Recipe
Cuisine: World Cuisine
Ingredients: 2 cups all-purpose flour; 2 cups granulated sugar; 1 cup unsweetened cocoa powder; 1 1/2 teaspoons baking powder; 1 1/2 teaspoons baking soda; 1 teaspoon salt; 2 large eggs; 1 cup buttermilk; 1/2 cup vegetable oil; 2 teaspoons vanilla extract; 1 cup boiling water; For the Cream Cheese Frosting; 8 oz cream cheese, softened; 1/2 cup unsalted butter, softened; 4 cups powdered sugar; 2 teaspoons vanilla extract; 2 tablespoons heavy cream; For Decoration; Dark chocolate shavings; Cocoa powder for dusting