These moist and tender Buttermilk Brownies are a simple treat everyone will love! They're a nostalgic cake-like brownie with the best fudgy icing on top!Jump to Recipe
The way I see it, there are two types of brownies. There's the fudgy brownie that's chewy and super full of chocolate flavor. And then there's the frosted, cake-like brownies that have a mild chocolate flavor and the smooth fudgy icing on top.
Though I love both options, there's something about a pan of frosted buttermilk brownies that's nostalgic and unassuming. They're not super rich brownies, but more light and tender, making them hard to resist! If you've ever had Texas Sheet Cake, you'll find this easy buttermilk brownie recipe to be very similar in the taste and texture.
This recipe has been in our family for many, many years, but I hope sharing it will create a new family favorite for you! As always, if you give it a try, I'd love to hear what you think!! Tag Dance Around the Kitchen on social media and leave a comment/rating below! 🙂
- Butter - Margarine can be used in place of the butter
- Unsweetened Cocoa Powder
- Buttermilk - See below for a simple substitution
- Baking Soda
- Powdered Sugar - If your powdered sugar looks clumpy, I do recommend sifting it into a small bowl first so your frosting is nice and smooth!
How to make Buttermilk Brownies
First, you'll mix and bake the brownies.
For this recipe, you need a jelly roll pan. Grease the pan and get the oven turned on so it's nice and hot once your brownie batter is ready to bake. In a large bowl, you'll combine the dry ingredients. Then in a medium saucepan, you'll combine the butter, water and cocoa powder and place it over medium or medium-high heat.
Once you've brought it to a boil, you'll pour it over the flour mixture. Once that's mixed, you'll add the eggs and vanilla extract until combined (using a wooden spoon, an electric mixer or a stand mixer).
Next you will pour the batter into the prepared pan and bake until the cake is done in the center. You can use a toothpick to check the center of the cake. If it's gooey, you'll need to add more time. However, if there are just moist crumbs (or it's completely clean), you can remove it from the oven.
Make the spread the frosting.
For me, it's the frosting that really makes this the best buttermilk brownies recipe! You'll add the powdered sugar to a medium bowl and set that aside.
Then, combine the butter, buttermilk and cocoa powder to a saucepan and bring it to a boil. Whisk and let boil for two minutes, then pour over the powdered sugar. Whisk in the chocolate mixture and the vanilla then pour over the warm brownies.
What does buttermilk do to brownies?
There are two reasons for buttermilk in these brownies. First, it has to do with the texture of the brownies. When baking soda (an alkaline) combines with an acidic ingredient such as buttermilk, it releases carbon dioxide gas.
Therefore, it helps create the light and airy texture for these brownies. The tanginess from the buttermilk also helps balance out the sweetness from the cake and the frosting!
How to Make Buttermilk (Buttermilk Substitute)
Making buttermilk is really simple. Here's how I do it: Add 1 tablespoon white vinegar into a liquid measuring cup. Add enough milk (skim, 1%, 2% or whole milk will work) to make 1 cup buttermilk. You will use ½ cup of the buttermilk mixture for the cake and almost (but not quite!) the rest for the frosting.
Other Great Recipes for Brownie Lovers
Cheesecake Brownies - This recipe stars with box brownies and brings it to the next level with a smooth and creamy cheesecake layer!
Toffee Brownies - These fudgy brownies have a deliciously crunchy topping, thanks to a good amount of toffee bits!
Rocky Road Brownies - If you love rocky road ice cream, this brownie recipe is one you'll need to have!!!
Salted Caramel Brownie Cookies - Brownies, but in cookie form? Yes please! Then add some soft caramel and a drizzle of chocolate and we're talking about brownie perfection!
Chocolate Peanut Butter Texas Sheet Cake - You can never go wrong with a Texas sheet cake....especially when you add peanut butter!!
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