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Photo of a whole Chocolate Hazelnut Truffle Tart topped with whipped cream and shaved chocolate
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Chocolate Hazelnut Truffle Tart

This decadent, smooth Chocolate Hazelnut Truffle Tart made with a homemade Oreo cookie crust is a sweet, indulgent dessert perfect for the holidays. 
Prep Time25 mins
Cook Time30 mins
Total Time55 mins
Course: Dessert
Cuisine: American
Keyword: chocolate hazelnut tart, how to make oreo cookie crust
Servings: 16
Calories: 355kcal
Author: Bernadette


For the Oreo Cookie Crust

  • 25 original Oreo cookies
  • 1/4 cup butter, softened

For the Chocolate Hazelnut Truffle Tart

  • 1 cup heavy cream
  • 10 ounces semi-sweet chocolate chips
  • 1/2 cup butter, softened
  • 1/2 cup granulated sugar
  • 2 teaspoons chocolate hazelnut flavor extract
  • 3 large eggs, room temperature and lightly beaten
  • shaved or chopped chocolate, whipped cream optional


For the Oreo Cookie Crust

  • Preheat the oven to 350 degrees F. 
  • Put the cookies in a food processor and process until fine. If you don’t have a food processor, put the cookies in a plastic freezer bag and crush with a rolling pin until fine crumbs. 
  • Add butter to the crumb mixture and mix well using the food processor or by hand. 
  •  Press evenly into a tart or pie pan and bake for 12-15 minutes. 

For the Chocolate Hazelnut Truffle Tart

  • While the crust is baking, combine sugar, semi-sweet chocolate chips, and LorAnn Oils Chocolate Hazelnut flavor extract in a large mixing bowl.
  • In a small pot heat heavy cream and butter over medium heat until just simmering. 
  • Lightly beat three room temperature eggs in a medium-size bowl. 
  • Pour the heated cream and butter over the chocolate chips, sugar, and extract. Stir until the chocolate is completely melted and sugar has dissolved. Pour about 1/3 of the melted chocolate mixture into the eggs, stir until combined, then pour the egg mixture into the remaining chocolate mixture and stir until smooth. 
  • Pour the mixture into the prebaked tart crust. Bake for 25-30 minutes at 350 degrees F, or until the center is just set (the middle will jiggle). Cool completely on a wire rack. 
  • Cover and refrigerate until ready to serve. Top the tart with whipped cream and shaved chocolate if desired. 


Nutritional information does not include optional toppings. 


Calories: 355kcal | Carbohydrates: 29g | Protein: 3g | Fat: 25g | Saturated Fat: 14g | Cholesterol: 79mg | Sodium: 183mg | Potassium: 164mg | Fiber: 1g | Sugar: 20g | Vitamin A: 545IU | Vitamin C: 0.1mg | Calcium: 33mg | Iron: 2.9mg