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Cheesecake Brownie Sundae

Imagine the fudgy comfort of a brownie, the creamy tang of cheesecake, and all your favorite sundae fixings rolled into one spectacular dessert. This showstopper tastes incredibly complex but is surprisingly simple to whip up, making it a new favorite for any occasion.
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Prep Time 40 minutes
Cook Time 1 hour 5 minutes
Chill Time 4 hours
Total Time 1 hour 45 minutes
Servings: 12 servings
Course: Dessert
Cuisine: American
Ingredients Equipment Method Notes

Ingredients
  

For the Brownie Base
  • 1 box brownie mix plus ingredients required on package
For the Nilla Wafer Crust
  • 1.5 cups crushed Nilla wafers about 45-50 cookies
  • 6 tbsp granulated sugar for crust
  • 6 tbsp cocoa powder for crust, unsweetened
  • 0.5 cup unsalted butter melted, for crust
For the Cheesecake Filling
  • 900 g cream cheese softened to room temperature
  • 1 cup granulated sugar for filling
  • 4 large eggs room temperature
  • 1 tsp vanilla extract
  • 0.5 cup hot fudge sauce for swirling
  • Extra brownie cubes, whipped cream, cherries, sprinkles, chopped nuts, or other sundae toppings for serving

Equipment

  • 9-inch springform pan
  • Large Mixing Bowl
  • Mixer
  • Medium bowl
  • Wire rack
  • Knife
  • Food Processor or Rolling Pin (optional)

Method
 

  1. Step 1: Brownie Prep: Prepare your favorite brownie mix according to the package directions. Once baked, let them cool completely. Cut them into 2 cm (¾-inch) cubes. Reserve half of these cubes for the cheesecake filling.
  2. Step 2: Crust Creation: While your brownies cool, preheat your oven to 175°C (350°F). In a medium bowl, combine your crushed Nilla wafers, 6 tablespoons of granulated sugar, and the cocoa powder. Stir in your melted unsalted butter until the mixture is beautifully crumbly and moist.
  3. Step 3: Press and Bake Crust: Press the cookie mixture firmly into the bottom of a 9-inch springform pan. Bake for just 8 minutes to set it, then let it cool completely on a wire rack.
  4. Step 4: Cheesecake Filling Perfection: In a large mixing bowl, beat the softened cream cheese and 1 cup of granulated sugar together until wonderfully smooth and creamy. Scrape down the sides of the bowl. Add your eggs one at a time, beating well after each addition. Stir in the vanilla extract.
  5. Step 5: Fold in the Brownies: Gently fold half of your reserved brownie cubes into the cheesecake mixture. You want them distributed but not completely mashed.
  6. Step 6: Pour and Tap: Pour this luscious cheesecake filling over your cooled crust in the springform pan. Give the pan a gentle tap or two on your counter to release any trapped air bubbles.
  7. Step 7: Hot Fudge Swirl: Drizzle your hot fudge sauce in a spiral pattern over the surface of the cheesecake. Take a knife and gently swirl it through the fudge and cheesecake to create a marbled effect.
  8. Step 8: Bake to Perfection: Bake your cheesecake for 50-55 minutes, or until the edges are set and the center is still just a little jiggly. Turn off the oven, prop the door open slightly, and let the cheesecake cool slowly in the oven for 1 hour.
  9. Step 9: Cool and Chill: Remove the cheesecake from the oven and let it cool completely at room temperature. Once cool, transfer it to the refrigerator. Refrigerate for at least 4 hours, but ideally overnight, for the best possible texture and set.
  10. Step 10: Serve it Up: When ready to serve, run a thin knife around the edge of the pan before releasing the springform sides. Slice, serve with extra brownie cubes (from the half you set aside), a dollop of whipped cream, a cherry, or any other sundae toppings your heart desires!

Notes

Tips for Success: Ensure cream cheese and eggs are at room temperature for a smooth batter. Do not overmix the cheesecake batter once eggs are added to prevent cracks. Slow cooling in the oven helps prevent cracking. The minimum 4-hour (ideally overnight) chill time is essential for the cheesecake to fully set. For clean slices, dip a sharp knife in hot water and wipe it clean between each cut. Lightly grease the sides of your springform pan for extra insurance against sticking.
Storage: Store the cheesecake brownie sundae in an airtight container in the refrigerator for 4-5 days. It can be frozen for up to 1 month by wrapping tightly in plastic wrap and foil; thaw overnight in the refrigerator before serving.
Substitutions & Additions: Experiment with crust variations like crushed Oreo cookies or graham crackers. Use your favorite homemade brownie recipe or different brownie flavors. Enhance cheesecake with espresso powder, almond extract, or a swirl of caramel sauce. Top with whipped cream, maraschino cherries, sprinkles, nuts, fresh berries, or chopped candy bars. For individual servings, bake in muffin tins lined with cupcake liners, adjusting bake time accordingly.