Recipe: <!-- -->Triple Layer Chocolate Cake with Chocolate Buttercream Frosting<!-- --> | Whole Food

Ingredients

• 1 1/2 cups (3 sticks) unsalted butter, softened, plus more for the pans
• 2 cups granulated sugar
• 1 tablespoon pure vanilla extract
• 3 eggs
• 2 3/4 cups all-purpose flour
• 1 cup unsweetened cocoa
• 1 1/2 teaspoons baking powder
• 1 1/2 teaspoons baking soda
• 1 teaspoon fine sea salt
• 1 3/4 cups milk
• 1 1/2 cups unsweetened cocoa
• 5 1/2 cups powdered sugar
• 3/4 cup (1 1/2 sticks) unsalted butter, softened
• 2/3 cup milk (plus 1 to 2 tablespoons more, if needed)
• 2 teaspoons pure vanilla extract