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brown butter brownies piled on white plate

Brown Butter Brownies

  • Author: Sloane
  • Prep Time: 25 minutes
  • Cook Time: 35 minutes
  • Total Time: 1 hour
  • Yield: 16 brownies 1x
  • Category: brownies, chocolate
  • Method: baking
  • Cuisine: American


These brown butter brownies are the only brownie recipe you need! They're thick, chocolatey, and fudgy with the perfect amount of chew.


  • 125g all-purpose flour
  • 80g dutch process cocoa powder
  • 1/2 tsp espresso powder
  • 1/2 tsp salt
  • 3 eggs (room temp)
  • 1 1/2 tsp vanilla extract
  • 140g dark brown sugar
  • 198g granulated sugar
  • 85g chocolate
  • 170g brown butter (start with 200g)
  • 150g finely chopped chocolate


  1. Preheat the oven to 350 degrees F and line a 9x9 inch square pan with parchment paper.
  2. Start by making the brown butter. In a small saucepan, heat 200g of unsalted butter over medium heat for several minutes, swirling to even out the color. The butter will be ready once the fat solids have separated and darkened, and the butter is an even medium amber color.
  3. Weigh out 170g of the brown butter in a large bowl. If you are short a few grams, just add regular unsalted butter to make up the difference. 
  4. Add the brown sugar, granulated sugar, and chocolate to the brown butter. Heat the mixture in the microwave in 20 second increments until the sugars and chocolate are fully melted. Whisk the mixture until smooth. 
  5. Add the eggs to a separate small bowl and briefly beat them to break up the yolks. Add the eggs to the butter, sugar, chocolate mixture, and whisk until fully combined. Whisk in the vanilla.
  6. Next, fold in the flour, cocoa powder, espresso powder, and salt until just combined. 
  7. Fold in the finely chopped chocolate.
  8. Pour the batter into the prepared pan and bake the brownies for 33-36 minutes or until a toothpick inserted comes out clean. Allow brownies to cool completely in the pan before removing and cutting. 


  • Make the brown butter first so it's ready to melt with the sugars and chocolate. There's no need for it to cool down. You could also make it the day before and store it in the fridge until ready to use.
  • Do not over-mix the batter! Over-mixing leads to tough brownies. 
  • Add in your favorite extras, like chocolate, candy, or oreos. 


  • Serving Size:
  • Calories: 284
  • Sugar: 29.7 g
  • Sodium: 88.4 mg
  • Fat: 14.4 g
  • Carbohydrates: 39.6 g
  • Protein: 4 g
  • Cholesterol: 57.7 mg

Keywords: brown butter brownies, one bowl brownies, double chocolate brownies, chewy brownies, fudgy brownies