Candy Bar Sheet Cake Recipe - Los Angeles Times

Ingredients

• Nonstick baking spray
• 2 cups all-purpose flour
• ¼ cup dry milk powder
• 3 tablespoons cornstarch
• 1 tablespoon baking powder
• 1 teaspoon fine sea salt
• 2 cups granulated sugar
• 1 cup whole milk
• ½ cup vegetable oil
• 1 tablespoon pure vanilla extract
• 5 large egg whites
• 1 cup lightly packed brown sugar
• 1/2 cup whole milk
• 4 tablespoons unsalted butter
• 1/4 teaspoon fine sea salt
• 2/3 cup sweetened condensed milk
• 1 cup chilled heavy cream
• 2 Butterfinger or Heath candy bars (2.1 ounces each), roughly chopped