These are chewy, fudgy, and ultra-rich frosted brownies covered in a generous layer of creamy chocolate buttercream. The recipe starts with a combo of melted butter and quality chocolate, which provides a smooth and velvety base for these dense fudge-like treats. Bake these in a 9-inch square pan, then cool for about 1 to 2 hours before frosting.
There’s nothing like indulging in a from-scratch brownie.
But if you cover that brownie in creamy chocolate buttercream, you’re entering another dessert dimension. A moist and dense brownie underneath a blanket of sweet and smooth frosting is pure chocolate luxury.
If you’ve tasted these frosted brownies before, you know I’m not exaggerating.
These are R-I-C-H!
Chewy & Fudgy Frosted Brownies
5 Key Ingredients in These Chewy Brownies
Before you begin, it’s helpful to know the importance of the ingredients you’re using. Especially since you’re taking the time to make a treat from scratch, that could easily be made from a box instead. I wasn’t able to develop this frosted brownie recipe without a little practice and learning. There are 5 main ingredients in your brownie batter—varying the amounts of these ingredients will affect the texture and flavor of the finished product, so I don’t recommend adjustments.
Melted Butter + Chocolate
Melt the butter and chopped chocolate together first. It’s helpful to cut the butter into pieces so it melts quickly and evenly. You can use a microwave or the stove for this step.
Again, this provides unbeatable chocolate flavor and a smooth starting point for your perfect brownies.
Use a bowl or pot that’s on the larger side, because eventually, all of the remaining ingredients will join.
Expect a Semi-Thick Batter
Give the batter a good whisk to ensure there are no remaining pockets of cocoa powder and flour, and then fold in the chocolate chips. Expect a semi-thick batter:
Spread the batter into a parchment paper-lined 9-inch square pan. If you’re looking for a recommendation, I use and love this USA Pan 9-inch square baking pan.
Chocolate Brownie Frosting
There are many different ways to dress up your brownies, and I am no stranger to the varying options including cookies & cream brownies, Guinness brownies, and mint chocolate brownies.
You can also frost brownies with a cooked fudge-like frosting, or a chocolate ganache. I find both to be particularly rich for these, and too similar to the brownie layer in both texture and taste. So, instead, I always opt for chocolate buttercream. It’s lighter, a tad sweeter, and ultra creamy. For the buttercream, I use a variation of my regular chocolate buttercream, a favorite choice for cupcakes, cakes, and chocolate frosted cookies. Most of the ingredients are repeats from the brownie batter, with the exception of confectioners’ sugar and milk.
Success tip for the milk: Instead of milk, you can use heavy cream. Regardless of which you use, warm it up for a few seconds in the microwave or in a small pot on the stove. Adding slightly warm liquid to the frosting helps to thin it out and creates a smoother, more satiny finish.
The satiny frosting glides onto the cooled brownies seamlessly:
If you love a little peanut butter with your brownies, try my peanut butter stuffed brownies next!
Chewy Fudgy Frosted Brownies Recipe
Ingredients You’ll Need
Instructions
- Cut the butter into smaller pieces so it melts down quicker. Place it in a heatproof bowl or in a medium saucepan. Add the chopped chocolate. Melt in the microwave in 20-second increments stirring after each until melted, or, if you’re using a saucepan, melt it over low heat on the stove. Cool for just 5 minutes.
- Meanwhile, preheat the oven to 350°F (177°C). Line the bottom and sides of a 9-inch square baking pan with parchment paper. Set aside.
- Whisk the granulated and brown sugars into the cooled chocolate/butter mixture. Whisk in the eggs, and then the vanilla. Whisk in the flour, cocoa powder, and salt until no pockets of dry ingredients remain. Once combined, fold in the chocolate chips. The batter is semi-thick.
- Pour and spread batter evenly into the prepared baking pan. Bake for 32-35 minutes, or until the top appears set and a toothpick inserted in the center comes out with a few moist (not wet) crumbs. All ovens are different, so keep an eye on your brownies. Check them at 30 minutes. Mine usually take 32 minutes. Tip: Err on the side of underbaking, because brownies continue to set as they cool.
- Place the pan on a wire rack and cool brownies for 1 to 2 hours. Once cooled, lift the brownies out of the pan using the parchment paper on the sides. Set aside as you make the frosting.
- With a handheld or stand mixer fitted with a paddle or whisk attachment, beat the butter on medium speed until creamy, about 2 minutes. Add confectioners’ sugar, cocoa powder, heavy cream/milk, vanilla extract, and salt. Beat on low speed for 30 seconds, then increase to high speed and beat for 1 full minute. Taste. Beat in another pinch of salt if desired.
- Spread over mostly cooled brownies (it’s ok if the brownies are still a bit warm). I usually use an offset spatula to spread the frosting. Cut into squares. For neat squares, I use a very long and sharp knife and wipe it clean with a paper towel after each cut.
- Unfrosted brownies stay fresh in an airtight container at room temperature for 1 week. Frosted brownies stay fresh in an airtight container at room temperature for 2 days or in the refrigerator for up to 1 week.
Frequently Asked Questions
You can, but I don't recommend it. I find the added sugar helps to develop the brownie's shiny, crackly crust. In fact, this is an experiment many bakers have tried, including the crew over at King Arthur Baking. How fascinating! And, as always, be sure to whisk the sugar into the warm melted butter and chocolate, as that also helps develop a crisp crackly top.
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