My Kind of Chocolate Birthday Cake | Searching4Zen

Ingredients

• 4 ounces bittersweet or semi sweet chocolate, chopped
• 1/3 cup (packed) dark brown sugar
• 2 tablespoons unsalted butter
• ½ teaspoon grated orange peel
• ½ teaspoon coarse kosher salt
• 2 large eggs
• 2 tablespoons sugar
• 1 tablespoon all purpose flour
• ½ cup hazelnuts, toasted, husked, chopped
• 5 ounces bittersweet or semisweet chocolate, chopped
• 3 ounces high-quality milk chocolate (such as Lindt or Perugina) chopped
• 1 ½ cups chilled heavy whipping cream, divided
• 5 tablespoons unsalted butter, room temperature
• ½ cup heavy whipping cream
• 1 tablespoon light corn syrup
• 4 ounces bittersweet or semisweet chocolate, chopped
• 1 tablespoon unsalted butter, room temperature
• Large chocolate shards or curls (from 1- to 2-inch-thick 8-ounce piece bittersweet or semisweet chocolate)
• Additional toasted husked hazelnuts
• Candled orange peel strips