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Celebration Brownies

Celebration Brownies are perfect as a sub for birthday cake for anyone who favors brownies over cake. A dense, fudgy brownie is covered in a delicious buttercream and sprinkles.

Celebration Brownies on a serving plate.

Brownies are my jam. I love them more than anything. Especially if there is a frosting involved. Typically I make a chocolate frosting for brownies, but this buttercream frosting that is like the frosting you would frost a birthday cake with, is so good on these brownies. It’s light and fluffy and such a great contrast to the dense, fudgy brownie.

Celebration Brownies with buttercream frosting.

To make them look festive and celebratory, add some sprinkles on top. The more the better.  🙂

Recipe Tips

Be sure to melt the chocolate over low heat and use a saucepan with a heavy bottom. Chocolate melts very easily.

I use salted butter for this recipe. If using unsalted, and a few pinches of salt to the batter.

Celebration Brownies with buttercream frosting and sprinkles

How To Store Celebration Brownies

Brownies can be stored in an airtight container at room temperature for 3 days or in the refrigerator for 5 days.

Celebration Brownies with buttercream frosting

I love brownies and have made them about every which way possible.

Some Of My Favorite Brownie Recipes

Celebration Brownies

A dense fudgy brownie covered by a light and creamy buttercream frosting and lots of sprinkles.
PREP: 20 minutes
COOK: 30 minutes
TOTAL: 50 minutes



  • 4 ounces unsweetened chocolate, chopped
  • 1 cup butter, softened
  • 2 cups sugar
  • 4 large eggs
  • 1 teaspoon vanilla extract
  • 1 cup all-purpose flour
  • 2/3 cup semi-sweet chocolate chips


  • 1 cup butter, softened
  • 2 1/2 cups confectioners’ sugar
  • 2 teaspoons vanilla extract
  • 1 tablespoon milk
  • sprinkles


  • Preheat oven to 350 degrees and lightly grease a 9×13-inch baking pan.
  • Place chopped chocolate in a small heavy-bottomed saucepan and set over low heat, stirring constantly, until melted. Remove from heat.
  • Use an electric mixer to cream butter and sugar until fluffy.
  • Beat in eggs one at a time.
  • Mix in melted chocolate, adding it gradually if it is still hot.
  • Mix in vanilla extract and flour. Pour batter into prepared pan.
  • Sprinkle chocolate chips on top.
  • Bake for 30 to 35 minutes. Let cool before making frosting.
  • To make frosting, beat butter until creamy. Gradually beat in confectioners’ sugar.
  • Beat in vanilla and milk until smooth and creamy. Spread on brownies.
  • Top with desired amount of sprinkles.


I use salted butter for this recipe. If using unsalted, add a few pinches of salt to the batter.


Calories: 501kcal | Carbohydrates: 56g | Protein: 4g | Fat: 31g | Saturated Fat: 19g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 8g | Trans Fat: 1g | Cholesterol: 108mg | Sodium: 204mg | Potassium: 137mg | Fiber: 2g | Sugar: 46g | Vitamin A: 782IU | Calcium: 28mg | Iron: 2mg
Author: Christin Mahrlig
Course: Dessert

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Originally posted June 1, 2017.

Disclosure: This post may contain affiliate links.


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