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These next-level Frosted Brownies are a family favorite that produces soft, chewy and decadent brownies.

Frosted brownies stacked on white plate.
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A Childhood Favorite!

Todays Frosted Brownies dessert is one my mom has been making for decades. We’ve known and loved these addicting brownies all of our lives and we love that our own kids know and love them as “Grandma’s Famous Brownies”.

Although most brownie recipes do not have a frosting, the frosting on these bars is so simple and so delicious, it takes regular brownies to a whole new level.

Why we love it:

  • Extra special. The frosting adds a decadent and creamy texture that provides a perfect balance of sweetness.
  • A feast for the eyes. The glossy finish that makes the brownies look irresistible.
  • Still quick and easy. You’re taking Homemade Brownies to the next level but they are still ready in only about 30 minutes!
Brownie batter in a white bowl.

Ingredients

Brownie

  • ¾ cup unsalted butter, melted
  • 1½ cups granulated sugar
  • 1½ teaspoons vanilla extract
  • 3 whole eggs
  • ¾ cup all-purpose flour
  • ½ cup unsweetened cocoa powder
  • ½ teaspoon baking powder
  • ½ teaspoon salt

Frosting

  • ⅓ cup granulated sugar
  • 1½ tablespoons milk
  • 1½ tablespoons butter
  • ¼ cup chocolate chips Use good quality chocolate chips. Milk chocolate, semi-sweet, or dark chocolate.

How to Make brownie frosting

  1. BROWNIE BATTER. Blend ¾ cup melted butter, 1½ cups sugar, and 1½ teaspoons vanilla in a mixing bowl. Add 3 eggs and mix well with a wooden spoon.
    • In a separate bowl, combine ¾ cup flour, ½ cup cocoa, ½ teaspoon baking powder, and ½ teaspoon salt.
    • Add dry ingredients to egg mixture until well blended.
  2. BAKE. Spread into a 9×9-inch prepared pan. Bake at 350°F for 27-29 minutes.
  3. FROSTING. Mix ⅓ cup sugar, 1½ tablespoons milk, and 1½ tablespoons butter in a small saucepan on med/high heat. Bring to a boil.
    • Boil for 30 seconds. Remove from heat and stir in ¼ cup chocolate chips until they are all melted.
    • Pour over brownies immediately. Add sprinkles immediately as well. Let cool.
Frosted brownies close up image - stacked on white plate.
4.95 from 54 votes

Frosting for Brownies

By: Lil’ Luna
This creamy and decadent frosting for brownies is the perfect addition to your brownie recipe, creating a next-level dessert!
Servings: 9
Prep: 5 minutes
Cook: 27 minutes
Total: 32 minutes

Ingredients 

Brownie Frosting

  • 2/3 cup sugar
  • 3 tablespoons milk
  • 3 tablespoons butter
  • 1/2 cup chocolate chips

Instructions 

  • Blend melted butter, sugar, and vanilla in a bowl. Add eggs and mix well with a wooden spoon.
  • In a separate bowl, combine flour, cocoa, baking powder, and salt.
  • Add dry ingredients to egg mixture until well blended.
  • Spread into a 9×9 inch pan. Bake at 350°F for 27-29 minutes.
  • For FROSTING: Mix sugar, milk, and butter in a small saucepan on Med/High Heat. Bring to a boil.
  • Boil for 30 seconds. Remove from heat and stir in chocolate chips until they are all melted.
  • Pour over brownies immediately. Add sprinkles immediately as well. Let cool.

Video

Notes

STORE. These brownies can be stored with or without the frosting. Keep them in an airtight container, separate any layers with wax paper, and store them on the counter for 3-4 days.
FREEZE for up to 3 months. Thaw at room temperature before serving. 

Nutrition

Calories: 409kcal, Carbohydrates: 55g, Protein: 4g, Fat: 21g, Saturated Fat: 13g, Cholesterol: 101mg, Sodium: 308mg, Potassium: 131mg, Fiber: 2g, Sugar: 44g, Vitamin A: 621IU, Calcium: 39mg, Iron: 1mg

Nutrition information is automatically calculated, so should only be used as an approximation.

Recipe FAQ

  • Prep the pan. How to Line the Pan with Parchment Paper or How to Grease and Flour a Pan
  • Don’t over-mix. Whisk the dry ingredients first to aerate and equally distribute the ingredients then combine them with the wet ingredients.
  • High altitude. Use extra large eggs or add an extra egg. The added moisture will help give the brownies a better texture. 
  • Mint layer. Apply a green minty frosting layer on top of the brownie and then top with this brownie frosting recipe. Garnish with mint M&Ms or chopped Andes mints.
  • Peanut butter flavor. Spread peanut butter or Nutella on top of the brownie and then top with a layer of chocolate frosting. Garnish with peanut butter chocolate chips or Reese’s pieces.
  • Cream cheese layer. Add a cream cheese layer under the chocolate frosting then top with fresh berries. 
  • Brownies can be stored with or without the frosting. Keep them in an airtight container, separate any layers with wax paper, and store them on the counter for 3-4 days.
  • Freeze for up to 3 months. Thaw at room temperature before serving.

For More Brownies:

About Kristyn

My name is Kristyn and I’m the mom of SIX stinkin’ cute kids and the wife to my smokin’ hot hubby, Lo. My mom’s maiden name is Luna, and I’m one of the many crafty “Lil’ Lunas” in the fam. On this site I like to share all things creative - from recipes to home decor to gifts and home decor ideas. Welcome!

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4.95 from 54 votes (36 ratings without comment)

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Recipe Rating




51 Comments

  1. Karen says:

    5 stars
    These brownies were over the top delish. My family ate them right up.

    1. Lil'Luna Team says:

      Yay! So glad to hear that!

  2. Kelly J says:

    5 stars
    Perfect! We added chocolate chips and peanut butter chips and they were delicious, thank you.

  3. Jane says:

    3 stars
    I made these in a glass 8×8 pan, baked for about 50 minutes and they are still not fully cooked in the middle. They taste good and I will try them again. But I’m going to put them in a 9×13 and double the amount of frosting.

    1. Lil'Luna Team says:

      Sorry to hear they didn’t bake through for you. I appreciate the feedback and giving the recipe a try!

  4. STEPHANIE E JARMAN says:

    5 stars
    I just made the frosting to ice box mix brownies and it worked!!! I re-read the recipe many times because I was skeptical that you only need 1 1/2 tablespoons of both butter and milk and 1/3 cup of sugar, especially if you have to boil them but I followed the instructions, boiled for 30 seconds and took off heat, added chocolate chips and poured right away and it was 😃 great! It set so quickly at the edge of the pot so if I didn’t ice immediately there would have been a situation! Thanks for sharing your recipe 💕