These Fudgy Chocolate Frosted Brownies topped with a thick layer of Chocolate Buttercream Frosting are the ultimate brownies for chocolate lovers! Share these Chocolate Frosted Brownies on all occasions: birthdays, the holidays, and Valentine’s Day!

If you love this recipe then you love my 3 Ingredient Chocolate Mousse, Browned Butter Chocolate Chip Blondies, or Fudge Stuffed Cookie Bars!

brownies with chocolate frosting on top
Kelley Simmons Kelley’s Tips

Before You Get Started

  • Make sure the brownies are cool before frosting them! If you frost these on warm brownies the butter in the frosting will melt.
  • Store the brownies at room temperature for up to 3 days. For any longer place in the fridge or freeze.
Kelley
up close shot of chocolate brownies with chocolate buttercream frosting on top

How to make Chocolate Frosted Brownies

  1. Brown Butter: Add butter to a medium saucepan and cook over medium heat until light brown / caramel in color. 5-10 minutes.
browning butter in saucepan
  1. Pour butter into a large bowl along with both sugars, cocoa powder, salt and baking powder. Stir until combined and allow to rest for 5 minutes or until the mixture has cooled down.
brownie ingredients in large white bowl
  1. Stir in the eggs and vanilla and mix until batter has a nice sheen to it.
  2. Fold in the flour and stir until combined. (Do not over mix). Add in the chocolate chips and stir until combined.
adding flour and chocolate chips to brownie batter
  1. Pour the batter into the prepared pan and bake for 20-25 minutes or until the top is set and a toothpick comes out clean.
  1. Allow the brownies to cool completely before frosting.
frosted brownies with chocolate frosting
  1. Cut into 9 brownies. (If you are having trouble cutting the brownies place in the fridge for the icing to harden up. This will make them easier to cut.)
chocolate buttercream frosting

How to make brownie frosting:

  1. Beat the butter: Firstly, add butter to a stand mixer with the whisk attachment. Beat until fluffy.
  2. Add the rest of the ingredients: Next, add in the cocoa powder, confectioners sugar, milk, and vanilla extract. Beat until thick and creamy. If frosting is too thick add more milk. If it is too runny add more powdered sugar.
  3. Set aside: Set the chocolate buttercream frosting aside until ready to frost brownies.

Chocolate Frosted Brownies FAQ

Can I add other toppings to these chocolate frosted brownies?

Yes! Add crushed candy canes to make these into Easy Peppermint Brownies. Add peanut butter chips or peanut butter frosting to make these into Peanut Butter Brownies.

How long will chocolate frosted brownies last?

Store these brownies in an airtight container at room temperature for up to 5 days or in the freezer for 3 months.

A slice of chocolate cake with thick chocolate frosting sits on a white plate, reminiscent of decadent Chocolate Frosted Brownies, with a gold fork holding a small bite in front of it.

Save this Recipe

Enter your email to get it straight in your inbox! Plus, receive new recipes weekly!

    Four chocolate brownies with thick, creamy chocolate frosting are arranged on a white plate. The brownies have a moist texture and the frosting is spread smoothly on top, making them just as irresistible for dessert lovers as make-ahead meatballs are for savory enthusiasts.
    Recipe

    Chocolate Frosted Brownies

    5 from 1 vote
    Thick and Fudgey Chocolate Frosted Brownies topped with a thick layer of Chocolate Buttercream Frosting.
    Prep Time: 15 minutes
    Cook Time: 30 minutes
    Total Time: 45 minutes
    Serves 9 brownies

    Ingredients 

    Chocolate Frosted Brownies

    • 10 tbsp unsalted butter, cubed, use dairy free if on a plant-based diet
    • 3/4 cup granulated sugar
    • 1/2 cup light brown sugar, use dairy free if on a plant-based diet
    • 3/4 cup unsweetened cocoa powder
    • 1/2 tsp salt
    • 1/2 tsp baking powder
    • 2 large eggs
    • 2 tsp vanilla extract
    • 2/3 cup all purpose flour
    • 1/2 cup chocolate chips

    Chocolate Buttercream Frosting

    • 8 tablespoons 1 stick unsalted butter, softened (use dairy free if on a plant-based diet)
    • 5 tablespoons unsweetened cocoa powder
    • 1 1/2 – 2 cups confectioners sugar
    • 1/4 Silk Soy Milk
    • 1/2 teaspoon vanilla extract

    Instructions

    Chocolate Frosted Brownies

    • Preheat oven to 350 degrees. Line a 9 x 9 or 8 x 8 pan with aluminum foil or parchment paper. Lightly spray with cooking spray or grease with butter. Set aside.Add butter to a medium saucepan and cook over medium heat until light brown / caramel in color. 5-10 minutes. Make sure to keep and eye on it so butter does not burn. It also helps to use a light colored saucepan for this.
      A hand stirs melted butter in a white saucepan on a stovetop, creating a swirling motion as the butter begins to brown—the perfect start for making rich and creamy Corn Pudding.
    • Pour browned butter into a large bowl along with both sugars, cocoa powder, salt and baking powder. Stir until combined and allow to rest for 5 minutes or until the mixture has cooled down.
      A white mixing bowl contains cocoa powder, baking soda, and wet ingredients being combined for baking, set on a white countertop with a tile backsplash—perfect for prepping make-ahead meatballs or other delicious recipes.
    • Stir in the eggs and vanilla and mix until batter has a nice sheen to it.
    • Fold in the flour and stir until combined. (Do not over mix). Add in the chocolate chunks or chips and stir until combined.
      A mixing bowl with chocolate batter, flour, chocolate chips, and raisins. A gold-colored spoon rests inside, ready to mix the ingredients together—perfect for those make-ahead meatballs or your favorite dessert recipes. White tiled backsplash in the background.
    • Pour the batter into the prepared pan and bake for 20-25 minutes or until the top is set and a toothpick comes out clean.
      A pan lined with parchment paper holds thick, unbaked chocolate brownie batter with visible chocolate chunks spread unevenly across the surface—perfect for those preparing make-ahead meatballs or Slow Cooker Hawaiian Meatballs, offering a sweet treat to enjoy while your savory dishes cook.
    • Allow the brownies to cool completely before frosting.
      Cut into 9 brownies. (If you are having trouble cutting the brownies place in the fridge for the icing to harden up. This will make them easier to cut.)
      A square pan lined with parchment paper holds freshly baked, dark chocolate brownies with a slightly cracked, textured surface and visible chocolate chunks—perfect for dessert after enjoying savory Instant Pot Hawaiian Meatballs.

    Chocolate Buttercream Frosting

    • Add butter to a stand mixer with the whisk attachment. Beat until fluffy.
    • Add in cocoa powder, confectioners sugar, milk and vanilla extract. Beat until thick and creamy. If frosting is too thick add more milk. If it is too runny add more powdered sugar.
      Thick chocolate batter being mixed in a glass bowl with a stand mixer paddle attachment. Much like the savory preparation of slow cooker meatballs, the process requires patience as the ingredients combine, and the sides of the bowl show traces of dry cocoa powder.

    Nutrition Information

    Calories: 581kcalCarbohydrates: 81gProtein: 4gFat: 28gSaturated Fat: 17gCholesterol: 78mgSodium: 87mgPotassium: 241mgFiber: 4gSugar: 68gVitamin A: 534IUCalcium: 37mgIron: 3mg
    Four chocolate brownies with thick, creamy chocolate frosting are arranged on a white plate. The brownies have a moist texture and the frosting is spread smoothly on top, making them just as irresistible for dessert lovers as make-ahead meatballs are for savory enthusiasts.

    Did You Make This?

    I’d love to hear your feedback! Leave a review and make sure to share your pictures on social media! Don’t forget to follow @thechefsavvy.