Go Back
Brownie Sundae Bar

Brownie Sundae Bar

A crowd-pleasing interactive dessert featuring rich, fudgy homemade brownies as the foundation for a customizable sundae experience with various ice creams, sauces, and toppings that delights guests of all ages.
Prep Time 45 minutes
Baking Time 25 minutes
Total Time 1 hour 10 minutes
Course Dessert
Cuisine American
Servings 12 people

Ingredients
  

For the Brownies

  • 1 cup 2 sticks unsalted butter
  • 2 cups granulated sugar
  • 4 large eggs room temperature
  • 1 tablespoon vanilla extract
  • 1 cup all-purpose flour
  • 1 cup unsweetened cocoa powder
  • 1/2 teaspoon salt
  • 1 cup semi-sweet chocolate chips

For the Sundae Bar

  • 2 quarts ice cream vanilla, chocolate, and strawberry recommended
  • Hot fudge sauce store-bought or homemade
  • Caramel sauce store-bought or homemade
  • Strawberry sauce or fresh berry compote
  • Whipped cream fresh or canned
  • Chopped nuts walnuts, pecans, almonds
  • Sprinkles various colors
  • Mini chocolate chips
  • Crushed cookies Oreos, graham crackers
  • Sliced fresh fruits strawberries, bananas
  • Maraschino cherries
  • Crushed candy bars your favorites

Instructions
 

  • Preheat your oven to 350°F (175°C) and line a 9×13 inch baking pan with parchment paper, leaving overhang on the sides for easy brownie removal.
  • Melt the butter in a large microwave-safe bowl in 30-second intervals, stirring between each until completely melted but not hot.
  • Whisk sugar into the melted butter until well combined, then add eggs one at a time, whisking well after each addition until the mixture becomes slightly lighter in color.
  • Stir in vanilla extract until fully incorporated into the wet mixture.
  • Sift together flour, cocoa powder, and salt in a separate bowl to remove any lumps and ensure even distribution of ingredients.
  • Gently fold the dry ingredients into the wet mixture using a spatula, being careful not to overmix—stop when you no longer see dry streaks.
  • Fold in the chocolate chips until evenly distributed throughout the batter.
  • Pour the batter into your prepared pan and spread evenly using a spatula or the back of a spoon.
  • Bake for 25-30 minutes until a toothpick inserted comes out with a few moist crumbs (not wet batter). Be careful not to overbake—fudgy brownies are key!
  • Allow brownies to cool completely in the pan, then use the parchment overhang to lift them out and cut into 2-inch squares.
  • Set up your sundae bar by arranging brownies on a platter and placing all toppings in separate bowls with appropriate serving utensils.
  • Keep ice cream in the freezer until just before serving, then place in an ice bath to maintain consistency while guests build their sundaes.
  • Warm sauce containers by placing them in warm (not hot) water for a few minutes before serving.

Notes

  • The brownies can be made up to 2 days in advance and stored in an airtight container at room temperature.
  • For extra fudginess, refrigerate the brownies for a few hours before serving.
  • If making homemade sauces, prepare them a day ahead and reheat gently before serving.
  • Consider dietary restrictions when selecting toppings – include some nut-free and gluten-free options.
  • For large parties, pre-scoop ice cream balls onto a parchment-lined tray and freeze until serving time.
  • Set out both bowls and waffle cones for different serving options.
  • Label any ingredients that contain common allergens (nuts, dairy, etc.).