The King Arthur Brownie is a decadent treat that brings together the rich, fudgy texture we all crave in a perfect brownie. With a simple list of ingredients and straightforward steps, this recipe yields brownies that are so deliciously moist and chocolatey, they’ll have you reaching for seconds. The allure of these brownies lies in their deeply satisfying flavor profile, making them the ultimate dessert for chocolate lovers.

Why You Will Love This Recipe
You will absolutely love this King Arthur Brownie recipe for its incredible ease of preparation and the flavor that rivals gourmet brownies found in upscale bakeries. With just a handful of pantry staples, you can whip up a batch in no time, making it perfect for those last-minute dessert cravings. Plus, these brownies fit beautifully into any lifestyle—be it a casual weeknight treat or a special occasion dessert. Rich chocolate flavor, a perfectly chewy texture, and minimal fuss mean you can enjoy a homemade brownie without spending hours in the kitchen.
Tips and Tricks
To elevate your brownie-making experience, consider these tips:
- Use high-quality chocolate: The flavor of your brownies will benefit enormously from using quality chocolate or cocoa powder.
- Don’t overmix: Stir just until the ingredients are combined to maintain that fudgy texture.
- Let them cool: Allow the brownies to cool in the pan before cutting to prevent them from crumbling.
- Add a pinch of espresso powder: This can enhance the chocolate flavor without adding a coffee taste.
- Experiment with mix-ins: Chopped nuts, chocolate chips, or even swirls of peanut butter can take these brownies to the next level.
Common Mistakes to Avoid
- Overbaking: Keep a close eye on your brownies as they bake. They should still look slightly underbaked when you take them out, as they will continue to set while cooling.
- Incorrect ingredient measurements: Ensure you measure your ingredients accurately, especially the flour, to avoid dry brownies.
- Skipping the cooling step: Cutting the brownies too soon can lead to a crumbly mess rather than neat squares.
- Using cold eggs: Room temperature eggs incorporate better and create a smoother batter.
Make Ahead Tips
You can prepare the brownie batter ahead of time and store it in the refrigerator for up to 24 hours before baking. Just make sure to bring it back to room temperature before baking for even results. If you have leftover brownies, they can be stored at room temperature in an airtight container for up to 3 days or frozen for up to 3 months.
Recipe Variations
- Nutty Brownies: Add a cup of your favorite nuts, like walnuts or pecans, to the batter for an extra crunch.
- Mint Chocolate: Incorporate peppermint extract for a refreshing twist.
- Vegan Brownies: Substitute eggs with flaxseed meal mixed with water and use dairy-free chocolate.
- Blondies: Swap out the cocoa powder for butterscotch or vanilla to create a delicious blondie version.

How to Serve
These brownies are best served slightly warm, perhaps with a scoop of vanilla ice cream on top. A dusting of powdered sugar or a drizzle of chocolate ganache can add an elegant touch. For an added flavor dimension, consider serving with fresh berries or a dollop of whipped cream.
Pairing Suggestions
Pair these brownies with a rich glass of milk or a steaming cup of coffee to enhance the chocolate experience. For a more sophisticated touch, a glass of red wine, like a fruity Merlot, complements the deep flavors of the brownies beautifully. For dessert lovers, serving alongside a fresh fruit salad or some tart raspberry sorbet can balance out the richness.
How to Store
To keep your brownies fresh, store them in an airtight container at room temperature for up to three days. For longer storage, wrap individual brownies in plastic wrap and place them in a freezer-safe bag or container. They can be frozen for up to three months, and you can thaw them in the refrigerator before serving.
Equipment Needed
- 9×13-inch baking pan
- Mixing bowls
- Whisk and spatula
- Measuring cups and spoons
- Parchment paper (optional for easy removal)
Dietary Adaptations
To adapt this recipe for a vegan diet, replace eggs with a mixture of 1 tablespoon of flaxseed meal and 2.5 tablespoons of water per egg. For a gluten-free version, substitute all-purpose flour with a 1:1 gluten-free flour blend. Nut allergies can be accommodated by simply omitting nuts or substituting with seeds like sunflower seeds.
Seasonal Adaptations
In the fall, consider folding in some pumpkin puree and spices for a seasonal twist. In the summer, fresh berries can be added for a burst of flavor. Additionally, using seasonal nuts like pecans or hazelnuts can elevate the brownies based on what’s available.
Cost Breakdown
The estimated cost for making a batch of King Arthur brownies is around $10, making it budget-friendly for any home baker. To save further, look for sales on chocolate or use cocoa powder instead of baking bars.
Kitchen Hacks
- If you want to melt chocolate quickly, use the microwave in 30-second bursts, stirring in between until smooth.
- To easily remove your brownies from the pan, line your baking pan with parchment paper before pouring in the batter, leaving overhangs to pull them out.
- Use a plastic knife to cut brownies cleanly without tearing them apart.
Recipe FAQs
Can I substitute cocoa powder for chocolate? Yes, you can use unsweetened cocoa powder instead of chocolate, but be sure to adjust the fat content accordingly.
How long do brownies take to bake? Generally, they take around 20-25 minutes, but it’s essential to check for doneness with a toothpick.
Can I add chocolate chips? Absolutely! Fold in a cup of chocolate chips before baking for extra gooeyness.
King Arthur Brownie

The King Arthur Brownie is a decadent treat that brings together the rich, fudgy texture we all crave in a perfect brownie. With a simple list of ingredients and straightforward steps, this recipe yields brownies that are so deliciously moist and chocolatey, they’ll have you reaching for seconds.
Ingredients
- 1/2 cup (1 stick) unsalted butter
- 1 cup granulated sugar
- 2 large eggs
- 1 teaspoon vanilla extract
- 1 cup all-purpose flour
- 1/3 cup unsweetened cocoa powder
- 1/4 teaspoon salt
- 1/4 teaspoon baking powder
Instructions
- Preheat your oven to 350°F (175°C) and grease a 9×13-inch baking pan or line it with parchment paper.
- In a medium saucepan, melt the butter over low heat. Once melted, remove from heat and stir in the sugar, eggs, and vanilla.
- In another bowl, whisk together the flour, cocoa powder, salt, and baking powder.
- Gradually add the dry ingredients to the wet ingredients, stirring until just combined. Be careful not to overmix.
- Pour the batter into your prepared pan, spreading it evenly.
- Bake in the preheated oven for 20-25 minutes or until a toothpick inserted into the center comes out with a few moist crumbs.
- Allow the brownies to cool in the pan before cutting them into squares.
Nutrition Information
Yield
24Serving Size
1Amount Per Serving Calories 64Total Fat 1gSaturated Fat 0gTrans Fat 0gUnsaturated Fat 0gCholesterol 16mgSodium 35mgCarbohydrates 13gFiber 0gSugar 8gProtein 1g
TastyFitnessRecipes.com, occasionally offers nutritional information for recipes contained on this site. This information is provided as a courtesy and is an estimate only. This information comes from online calculators. Although tastyfitnessrecipes.com attempts to provide accurate nutritional information, these figures are only estimates.
Final Thoughts
The King Arthur Brownie recipe is not just a dessert; it’s a celebration of chocolate that can be shared with friends and family. With its simplicity and delightful results, it’s bound to become a staple in your baking repertoire. Whether enjoyed alone or dressed up with ice cream and toppings, these brownies are sure to satisfy any sweet tooth. Happy baking!