Why You’ll Love This Recipe

I love how this dessert blends textures and flavors perfectly—the chewy brownie bottom, smooth and tangy cheesecake center, and rich chocolate topping create an indulgent bite every time. It’s ideal for special occasions, birthdays, or anytime I want to impress. It looks fancy, but it’s straightforward to make with simple ingredients and a little patience.

Ingredients

(Here’s a tip: Check out the full list of ingredients and measurements in the recipe card below.)

Brownie Base

  • 1 box brownie mix (18 ounces) or equivalent homemade brownie batter

  • Eggs, oil, and water as specified on the mix

  • ½ teaspoon espresso powder (optional)

Cheesecake Filling

  • 24 oz cream cheese, softened

  • 1 cup granulated sugar

  • 3 large eggs, at room temperature

  • 1 cup sour cream

  • 1 teaspoon vanilla extract

  • 2 tablespoons all-purpose flour

Hot Fudge Topping

  • 1 cup hot fudge sauce

  • ½ cup semisweet chocolate chips (optional)

Sundae Garnish

  • Whipped cream

  • Sprinkles (rainbow or chocolate)

  • Chopped nuts (pecans, walnuts, or peanuts)

  • Maraschino cherries

  • Extra hot fudge sauce, for drizzling

Directions

1. Prepare the Brownie Base

  • I preheat the oven to 350°F and line a 9-inch springform pan with parchment paper.

  • I mix the brownie batter according to package directions, adding espresso powder for deeper flavor.

  • I spread the batter evenly in the pan and bake for 20–25 minutes until mostly set but still a little soft in the center.

  • I let it cool slightly while I prepare the cheesecake layer.

2. Make the Cheesecake Filling

  • In a large bowl, I beat the cream cheese until smooth.

  • I add the sugar and mix until fully combined.

  • I add the eggs one at a time, beating well and scraping the bowl.

  • I blend in sour cream, vanilla, and flour, then pour the mixture over the slightly cooled brownie layer.

3. Bake the Cheesecake

  • I reduce the oven to 325°F.

  • I place the springform pan inside a larger roasting pan and pour hot water around it to create a water bath.

  • I bake for 55–65 minutes until the edges are set but the center is still slightly jiggly.

  • I turn off the oven, crack the door, and let the cheesecake rest for 1 hour.

  • Then I let it cool completely and refrigerate for 4–6 hours or overnight.

4. Add the Hot Fudge Topping

  • I warm the fudge sauce until just pourable and spread it evenly over the chilled cheesecake.

  • I refrigerate for another 20 minutes so the topping can set.

5. Garnish and Serve

  • I pipe or spoon whipped cream along the top edge.

  • I sprinkle over nuts and sprinkles, then top each whipped cream swirl with a maraschino cherry.

  • Just before serving, I drizzle extra hot fudge over the top.

Servings and Timing

  • Yield: 12 servings

  • Prep Time: 30 minutes

  • Cook Time: 60 minutes

  • Total Time: 90 minutes (plus chilling time)

Variations

  • Caramel Twist: I drizzle caramel along with fudge for a sweet contrast.

  • Nut-Free: I skip the nuts or use crushed cookies for crunch.

  • Mint Chocolate: I add peppermint extract to the brownie base and top with crushed mint candies.

  • Cookie Base: I use crushed Oreos with melted butter instead of brownies for a no-bake base.

  • Fruit Garnish: I swap sprinkles for fresh berries for a fruitier version.

Storage/Reheating

I store the cheesecake in the fridge, tightly covered, for up to 5 days. For clean slices, I use a hot knife and wipe between each cut. If I want to freeze it, I do so without whipped cream or garnishes—just wrap tightly and freeze for up to 1 month. I thaw overnight in the fridge before serving.

FAQs

Can I make this ahead of time?

Yes! I usually make it a day before serving. It needs time to chill, and the flavors get even better overnight.

Can I use homemade brownie batter?

Absolutely. I sometimes make brownies from scratch for an extra rich base—it works just as well.

How do I prevent cheesecake from cracking?

Using a water bath and letting the cheesecake cool slowly in the oven helps prevent cracks. I also avoid overmixing the batter.

Can I use jarred fudge sauce?

Yes, store-bought fudge works great, or I can make my own if I have time. I just make sure it’s thick and rich.

Do I need a springform pan?

It’s the easiest way to get the cheesecake out cleanly, but I can also use a deep cake pan with parchment and carefully lift it out.

Conclusion

This Heavenly Hot Fudge Sundae Brownie is the kind of dessert that gets people talking. It’s rich, layered, and indulgent, combining everything I love about brownies, cheesecake, and sundaes into one amazing treat. Whether I’m serving it for a birthday, a holiday, or just because—I know it’ll be a hit every time.

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Heavenly Hot Fudge Sundae Brownie

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This indulgent layered dessert features a fudgy brownie base, creamy cheesecake center, and rich hot fudge topping—just like a hot fudge sundae in every bite.

  • Author: Sarah
  • Prep Time: 30 minutes
  • Cook Time: 60 minutes
  • Total Time: 90 minutes
  • Yield: 12 servings (1 cheesecake in 9-inch pan)
  • Category: Desserts & Sweets
  • Method: Baking
  • Cuisine: American
  • Diet: Vegetarian

Ingredients

→ Brownie Base:

1 box brownie mix (18 ounces) or equivalent homemade brownie batter

Eggs, oil, and water as per package instructions

½ teaspoon espresso powder (optional, enhances chocolate flavor)

→ Cheesecake Filling:

24 oz cream cheese, softened

1 cup granulated sugar

3 large eggs, at room temperature

1 cup sour cream

1 tsp vanilla extract

2 tbsp all-purpose flour

→ Hot Fudge Topping:

1 cup hot fudge sauce

½ cup semisweet chocolate chips (optional, for extra richness)

→ Sundae Garnish:

Whipped cream (fresh or canned)

Sprinkles (rainbow or chocolate)

Chopped nuts (pecans, walnuts, or peanuts)

Maraschino cherries

Additional hot fudge sauce for drizzling

Instructions

Prep the Brownie Base:

Preheat oven to 350°F (175°C). Line a 9-inch springform pan with parchment and lightly grease the sides.

Prepare brownie batter according to instructions, adding espresso powder if using.

Spread batter in the pan and bake for 20–25 minutes, until mostly set but slightly underdone. Cool slightly.

Make the Cheesecake Layer:

Lower oven temperature to 325°F (163°C).

In a large bowl, beat cream cheese until smooth. Add sugar and mix until fluffy.

Beat in eggs one at a time, scraping the bowl after each addition.

Mix in sour cream, vanilla, and flour. Pour over the cooled brownie base and smooth the top.

Bake in Water Bath:

Place springform pan in a roasting pan. Add hot water to come halfway up the sides.

Bake for 55–65 minutes until edges are set and center is slightly jiggly.

Turn off oven, crack door, and let rest inside for 1 hour. Cool to room temperature, then chill for 4–6 hours or overnight.

Add Fudge and Decorate:

Warm hot fudge until pourable. Spread over chilled cheesecake and chill for 20 minutes.

Pipe or dollop whipped cream around edges. Top with sprinkles, nuts, and cherries. Drizzle with more fudge before serving.

Notes

For clean slices, dip a sharp knife in hot water and wipe between cuts.

Can be made 1–2 days ahead and stored in the fridge.

Customize toppings for different occasions — try crushed Oreos, caramel drizzle, or toffee bits.

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