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Decadent Hot Fudge Brownie Sundae

hot fudge brownie sundae - featured image

A rich and easy homemade dessert featuring fudgy brownies, creamy vanilla ice cream, and a silky smooth hot fudge sauce. Perfect for celebrations or a comforting treat any day.

Ingredients

Scale
  • 1/2 cup (115g) unsalted butter, melted
  • 1 cup (200g) granulated sugar
  • 1/2 cup (100g) brown sugar, packed
  • 2 large eggs, room temperature
  • 2 teaspoons pure vanilla extract
  • 3/4 cup (95g) all-purpose flour (or gluten-free baking flour for GF version)
  • 1/2 cup (50g) unsweetened cocoa powder
  • 1/4 teaspoon salt
  • 1/4 teaspoon baking powder
  • 1 cup (240ml) heavy cream
  • 3/4 cup (150g) granulated sugar (for fudge sauce)
  • 1/2 cup (50g) unsweetened cocoa powder (for fudge sauce)
  • Pinch of salt (for fudge sauce)
  • 1 teaspoon vanilla extract (for fudge sauce)
  • 2 tablespoons (30g) unsalted butter (for fudge sauce)
  • Vanilla ice cream, good quality
  • Whipped cream (optional)
  • Chopped nuts or sprinkles (optional for garnish)

Instructions

  1. Preheat oven to 350°F (175°C). Grease an 8×8-inch baking pan or line with parchment paper.
  2. In a large bowl, whisk together melted butter, granulated sugar, and brown sugar until smooth.
  3. Beat in eggs one at a time, then add vanilla extract until fully incorporated.
  4. In a separate bowl, sift together flour, cocoa powder, salt, and baking powder.
  5. Gradually fold dry ingredients into wet batter gently until thick and fudgy.
  6. Pour batter into prepared pan and smooth the top.
  7. Bake for 25–30 minutes, checking at 25 minutes with a toothpick; it should come out with moist crumbs but no wet batter.
  8. Cool brownies completely in the pan on a wire rack (about 1 hour).
  9. To make hot fudge sauce: In a saucepan, whisk sugar, cocoa powder, and salt. Gradually add heavy cream, whisking until smooth.
  10. Heat over medium, stirring constantly until just simmering. Remove from heat and stir in butter and vanilla until glossy.
  11. Cut brownies into squares. Serve one brownie with vanilla ice cream, drizzle warm fudge sauce on top, add whipped cream and garnish with nuts or sprinkles if desired.

Notes

Use melted but slightly cooled butter to avoid cooking eggs. Fold dry ingredients gently to keep brownies tender. Sift cocoa powder to prevent lumps. Brownies continue cooking as they cool; slightly underbake for fudgy center. Prepare fudge sauce while brownies bake to save time. Leftover fudge sauce thickens in fridge; warm gently before serving. For gluten-free, substitute flour with 1:1 gluten-free baking flour. For dairy-free fudge sauce, use coconut cream and coconut oil. Fresh berries make a lovely topping in summer.

Nutrition

Keywords: brownie sundae, hot fudge, easy dessert, homemade fudge sauce, chocolate dessert, vanilla ice cream, quick dessert