Chocolate-Candy Bar Layer Cake Recipe | Food Network Kitchen | Food Network

Ingredients

• One-Bowl Chocolate Cake Batter (see related recipe below)
• 8 ounces semisweet or milk chocolate, chopped
• 1 tablespoon unsweetened cocoa powder
• 2 teaspoons pure vanilla extract
• 3 sticks unsalted butter, at room temperature
• 1/2 teaspoon salt
• 1 1/2 cups confectioners' sugar
• 1/2 cup finely chopped Heath bars or other candy bars, plus large pieces for topping