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Chocolate Ganache with Orange Mascarpone Cheesecake

A rich and bright cheesecake with an orange mascarpone layer, topped with a glossy chocolate ganache, perfect for special occasions or a cozy treat.
Prep Time 30 minutes
Cook Time 1 hour 15 minutes
Total Time 2 hours 30 minutes
Course Cake, Dessert
Cuisine American
Servings 12 slices
Calories 420 kcal

Ingredients
  

Crust

  • 1/2 cup walnuts Toasted and finely chopped
  • 2 cups graham cracker crumbs
  • 1/3 cup granulated sugar
  • 1/4 teaspoon salt
  • 1/2 cup melted unsalted butter

Filling

  • 450 g cream cheese At room temperature
  • 225 g mascarpone cheese At room temperature
  • 1 cup granulated sugar
  • 3 large eggs At room temperature
  • 1 large orange zest From 1 large orange
  • 2 tablespoons fresh orange juice
  • 1 teaspoon vanilla extract
  • 1 tablespoon cornstarch Optional, for firmness

Ganache

  • 170 g dark chocolate Finely chopped
  • 120 ml heavy cream
  • 1 tablespoon unsalted butter

Instructions
 

Prepare the Crust

  • Preheat the oven to 175°C (350°F).
  • Toast the walnuts for 5–7 minutes, then chop or grind them finely.
  • Mix the walnuts, graham cracker crumbs, 1/3 cup sugar, salt, and melted butter until well combined.
  • Press the mixture into the bottom of a 23 cm (9 inch) springform pan.
  • Bake for 8–10 minutes, then let the crust cool completely.

Prepare the Filling

  • Reduce oven temperature to 160°C (325°F).
  • In a bowl, beat the cream cheese, mascarpone, and 1 cup sugar until smooth.
  • Add the eggs one at a time, mixing lightly after each addition.
  • Fold in orange zest, orange juice, vanilla, and cornstarch if using.
  • Pour the filling over the cooled crust.
  • Bake for 50–60 minutes, until the edges are set and the center is slightly jiggly.
  • Let the cheesecake cool fully, then refrigerate for at least 4 hours (overnight is better).

Prepare the Ganache

  • Heat the heavy cream until it just boils.
  • Pour it over the chopped dark chocolate and let sit for 1–2 minutes.
  • Stir gently until the chocolate melts and the mixture is smooth.
  • Stir in 1 tablespoon unsalted butter for shine.
  • Pour the ganache over the chilled cheesecake and spread evenly.
  • Chill for 30 minutes to set the ganache.

Serve

  • Serve slices garnished with candied orange slices or a little grated chocolate.

Notes

For best results, use room-temperature cheeses and eggs. To prevent cracks, bake at a lower temperature and cool gradually. Consider variations like using milk chocolate for the ganache or adding Cointreau to the filling.
Keyword cheesecake, Chocolate Ganache, Holiday Dessert, Mascarpone, Orange Dessert