These chocolate walnut brownies are amazing in every bite. Made with good quality chocolate and filled with walnuts, they are a luxurious treat. These take less than 5 minutes to mix and 30 minutes to bake.
Growing up, my mom used to make something we thought was cake—but it was basically a brownie. She never called it that, though. To us, it was just “chocolate walnut cake,” and we loved it. No frosting, no layers—just a dense, fudgy square with crispy edges and chunks of walnut throughout.
We didn’t know it had a name. Brownies weren’t really a thing where I grew up, at least not in our kitchen. But looking back, that was absolutely a brownie—homemade, a little rustic, and full of love.
This recipe is my version of that childhood memory. It’s not the exact same one my mom used, but the vibe is there—simple ingredients, no fancy steps, and those walnuts that make every bite feel nostalgic. I toast them now (which she never did), but I think she’d approve.
I still call them brownies, but in my head, they’ll always be “mom’s chocolate walnut cake.”
Why is this the best recipe
- It’s perfectly fudgy, not cakey – The butter-to-flour ratio and minimal baking time give you that rich, dense texture that brownie dreams are made of. You get a moist, chewy middle with a crackly top—none of that dry, crumbly nonsense.
- It uses simple pantry ingredients – No need to hunt for fancy chocolate bars or special oils. This recipe sticks to cocoa powder, butter, sugar, eggs, and flour—the basics that are probably already sitting in your kitchen. Easy to whip up on a whim.
- Toasted walnuts = flavor and texture magic – Walnuts add a subtle bitterness that balances the sweet richness of the chocolate. Toasting them first brings out a deep, nutty aroma and a crunch that plays perfectly with the soft brownie base.
- It’s super customizable – Want to add chocolate chips? Go for it. Need it gluten-free? Easy swap. Prefer pecans to walnuts? Totally fine. This recipe is like a good pair of jeans—it fits well, but you can still style it your way without messing it up.
Ingredients and substitutes
- Chocolate – Don’t get me started on this because you know how I feel about chocolate. The quality of chocolate you use in your brownies is what you will taste. This is it! You don’t have to buy an expensive brand, but please use good-quality chocolate. No baking chocolate and no compound chocolate. If you are going to indulge, make it count.
- Sugar—You can add white sugar, but trust me when I say that brown sugar adds that chocolate fudge quality.
- Cocoa powder—You can never have enough chocolate, can you? This just enhances the flavor of chocolate even more. I always use regular Dutch-processed chocolate.
- Butter—I prefer to use unsalted butter so I can control the quantity of salt in my recipe. Yet, if salted butter is all you have, go ahead and use it. Just omit salt in the recipe.
- Eggs—Always use large-size eggs when baking unless specified. The size of eggs varies these days significantly, so as a guide, one large egg weighs between 50 and 60 grams.
Step-by-step: Chocolate Walnut Brownies
- Preheat oven to 175°C (350°F). Line an 8×8-inch (20×20 cm) square pan with parchment paper or lightly grease it.
- Melt the butter and chocolate together in a heatproof bowl over a saucepan of simmering water (or microwave in 20-sec bursts). Stir until smooth. Let it cool slightly.
- Sugar, eggs, vanilla – Whisk in the sugars (both granulated and brown) until glossy. Add eggs and vanilla. Whisk for 1–2 minutes until the mixture thickens slightly and lightens in color—this step helps create that shiny, crackly top!
- Dry ingredients – Sift in cocoa powder, flour, and salt. Stir just until combined—don’t overmix.
- Fold in walnuts and chocolate chips (if using), and most of the walnuts and chocolate chips, saving a few to sprinkle on top.
- Bake for 25–30 minutes, or until a toothpick inserted in the center comes out with a few moist crumbs (not totally clean—you’re going for fudgy here).
- Cool completely in the pan before cutting. (Torture, I know, but it’s worth it.)
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Frequently asked questions
If stored properly, these dark chocolate brownies will last for about 3 to 4 days at room temperature. Store in an airtight container to prevent them from drying out.
These can be baked up to 3 to 4 days ahead of time. However, if you are making them for a bake sale or to give as gifts, it is best to make them no more than a day ahead so people will have some storage time, too.
Brownies are similar to cakes, and you test them with a toothpick or skewer inserted in the center. However, unlike cake, you want brownies to still be moist and wet in the center. It’s better to underbake rather than overbake brownies.
If too much air is incorporated into the mixture during mixing, the brownie batter can cause the brownies to sink in the middle. It’s best not to over-mix, especially when adding the eggs.
Chocolate Walnut Brownies Recipe
These chocolate walnut brownies are amazing in every bite. Made with good quality chocolate and filled with walnuts, they are a luxurious treat. These take less than 5 minutes to mix and 30 minutes to bake.
Video
Ingredients
- ½ cup (140 g) Chocolate
- ½ cup (113 g) Unsalted butter (1/4 cup) room temperature
- 1 cup (200 g) Granulated sugar white or brown
- 2 large Eggs
- ¼ cup (30 g) Cocoa powder
- ½ cup (60 g) All-purpose flour or cornstarch
- ½ tsp Salt
- 1 tsp Vanilla extract
- ½ cup (60 g) Walnuts
- ¼ cup (45 g) Semi-sweet or dark chocolate chips (optional but highly recommended)
Method
- Preheat oven to 175°C (350°F). Line an 8×8-inch (20×20 cm) square pan with parchment paper or lightly grease it.
- Melt the butter and chocolate together in a heatproof bowl over a saucepan of simmering water (or microwave in 20-sec bursts). Stir until smooth. Let it cool slightly.½ cup Chocolate , ½ cup Unsalted butter
- Sugar, eggs, vanilla – Whisk in the sugars (both granulated and brown) until glossy. Add eggs and vanilla. Whisk for 1–2 minutes until the mixture thickens slightly and lightens in color—this step helps create that shiny, crackly top!1 cup Granulated sugar, 2 large Eggs , 1 tsp Vanilla extract
- Dry ingredients – Sift in cocoa powder, flour, and salt. Stir just until combined—don’t overmix.¼ cup Cocoa powder , ½ cup All-purpose flour, ½ tsp Salt
- Fold in walnuts and chocolate chips (if using) and most of the walnuts and chocolate chips, saving a few to sprinkle on top.½ cup Walnuts, ¼ cup Semi-sweet or dark chocolate chips
- Pour the batter into the prepared pan and smooth the top. Sprinkle remaining walnuts over it.
- Bake for 25–30 minutes, or until a toothpick inserted in the center comes out with a few moist crumbs (not totally clean—you're going for fudgy here).
- Cool completely in the pan before cutting. (Torture, I know, but it’s worth it.)
Notes
- Use good cocoa powder – Since this recipe doesn’t use melted chocolate, the cocoa does all the heavy lifting. Go for a rich, unsweetened one—Dutch-processed or natural both work, just use what you love.
- Don’t skip toasting the walnuts – It sounds extra, but it brings out so much more flavor. Just a few minutes in a dry pan or oven makes them deeper, nuttier, and way more addictive.
- Mix by hand, not mixer – You want a dense, chewy brownie—not a fluffy cake. Overmixing can ruin that. Just stir until everything is combined—no need to beat the life out of it.
- Slightly underbake for fudgy brownies – Take them out when there are moist crumbs on the toothpick—not completely clean. They’ll continue cooking a bit as they cool.
- Let them cool completely before cutting – This one’s hard, I know. But if you cut too soon, they’ll fall apart and be a hot (delicious) mess. Letting them cool gives you clean slices and better texture.
Equipment you will need
Nutrition
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Hi, I’m Veena
I’m the recipe developer, baker, and food photographer behind Veena Azmanov Kitchen.
I’ve spent years developing and testing recipes, from everyday meals and homemade breads to cakes and desserts.
I share the practical tips and little details I’ve learned along the way so you can get great results in your own kitchen.
Hi Mam
Is corn starch and corn flour both same?
Can I use maida instead of corn starch ?
Yes, cornflour and cornstarch are the same. For this recipe, you can make it with maida but it won’t be gluten-free.
Hi,
Any substitute for eggs?
Not in this one Ad. But I hope to share an eggless recipe soon. Thanks
Great brownie. This has the perfect texture i am looking for. Can the corn starch be substituted with all purpose flour? If yes, how much can i add for the above recipie? TIA
Thanks, Yes, you can use all-purpose flour – same amount Thanks
Love the crunch of nuts in cakes and walnuts go so well with chocolate. These look so moist too.
Absolutely, Amanda.
The recipe of these brownies is so simple that I am going to teach my son to make this deliciousness! YUMMY! Thanks for sharing!
Thanks, Irina. Yes, so easy my 10-year-old makes this for her dad often.