A Decadent Triple-Layer Dessert Combining Fudgy Brownies, Creamy Cheesecake, and Classic Sundae Toppings

Hot Fudge Sundae Brownie Cheesecake is the ultimate indulgent dessert for anyone who loves rich chocolate, creamy cheesecake, and nostalgic ice-cream-parlor flavors. This show-stopping dessert layers a dense, fudgy brownie base with a smooth vanilla cheesecake filling, then finishes with glossy hot fudge, whipped cream, and traditional sundae toppings. Every bite delivers deep chocolate flavor, velvety creaminess, and just the right balance of sweetness.

This dessert is perfect for celebrations, holidays, birthdays, or any occasion where you want to impress. While it looks elaborate, it is very achievable at home when broken down into simple steps. The key is building each layer carefully and allowing enough chilling time so the cheesecake sets beautifully and slices cleanly.

This in-depth guide walks you through the entire process, from creating the perfect brownie base to baking a crack-free cheesecake and finishing it with classic sundae flair. You will also find expert tips, storage instructions, variations, and calorie information so you can confidently make this dessert from start to finish.

Preparation Time
Prep Time: 35 minutes

Baking Time: 60 to 70 minutes

Cooling Time: 1 hour

Chilling Time: 4 to 6 hours (or overnight)

Total Time: Approximately 7 to 8 hours (mostly hands-off)

Ingredients
For the Brownie Base
1/2 cup unsalted butter

1 cup granulated sugar

2 large eggs

1 teaspoon vanilla extract

1/3 cup unsweetened cocoa powder

1/2 cup all-purpose flour

1/4 teaspoon salt

1/4 teaspoon baking powder

For the Cheesecake Layer
24 ounces cream cheese, softened

1 cup granulated sugar

3 large eggs, room temperature

1 cup sour cream

1 tablespoon vanilla extract

1 tablespoon cornstarch

For the Hot Fudge Topping
1 cup semi-sweet chocolate chips

1/2 cup heavy cream

2 tablespoons unsalted butter

2 tablespoons light corn syrup or honey

1 teaspoon vanilla extract

Sundae Toppings (Optional but Recommended)
Whipped cream

Maraschino cherries