These brown butter blondies have a profound depth of flavor that takes them from good to great! The extra step of browning your butter adds about five minutes to the process, but turns ordinary blondies into something with a nutty, caramelized toffee-like flavor.
Here’s what makes brown butter worth the tiny bit of extra effort: when butter heats past its melting point, the milk solids toast and develop an incredible nutty aroma that smells like heaven and tastes even better. It adds complexity to chocolate without competing with it, giving your dessert a flavor upgrade without altering any other aspect of the recipe.
If you’re thinking this sounds too fancy or are worried about burning the butter, don’t be. Brown butter is regular butter that is cooked for a little longer until it smells incredible and turns a golden color.
These blondies are a one-bowl recipe that is ready in under an hour. And they have that perfect chewy texture with slightly crispy edges that everyone loves, making them irresistibly decadent.
In this post, I’ll walk you through the brown butter process step by step and share my favorite tips. Whether you’re an experienced baker or just getting started, these blondies are totally achievable and absolutely worth making.
Looking for more fall cookie ideas? Try brown butter chocolate chip cookies, iced oatmeal cookies, or apple pie cookies.
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Ingredient Notes
For exact amounts needed see the recipe card below
- Butter: Use unsalted butter here.
- Brown sugar
- Egg
- Vanilla extract
- Salt
- Flour
- Baking powder
- Dark chocolate chunks: I love using chunks instead of chips because they melt into beautiful pools of chocolate. You can chop up a good-quality chocolate bar or use store-bought chunks.
How to Make Brown Butter Blondies
- Preheat the oven to 350 degrees F and line your 8×8-inch pan with parchment paper. I like to leave some overhang – it makes removing the blondies so much easier later.
- Melt the butter over medium heat, stirring frequently. Watch for it to foam up and then turn golden brown with a nutty smell, which usually takes 5-7 minutes.
- Let the brown butter cool for about 5-7 minutes, then whisk in the brown sugar.
- Whisk in the egg and vanilla extract. The mixture should become smooth and glossy. Add the salt at this point as well.
- Sift in the flour and baking powder. Fold everything together gently. Then fold in the chocolate chunks.
- Spread the batter in your prepared pan.
- Put them in the oven for 25-30 minutes. You want golden brown edges and a crackly top. I always do the toothpick test in the center – a few moist crumbs are perfect!
- Let them cool completely (1-2 hours) before cutting.
Serving Ideas
My family loves it when I warm these brown butter blondies up slightly. Just 10-15 seconds in the microwave makes the chocolate chunks all melty and gooey again. Pure bliss!
Here are some of my favorite ways to serve these decadent treats:
- Straight up at room temperature – sometimes simple is best!
- Topped with a scoop of vanilla ice cream.
- Paired with a hot cup of coffee or a cold glass of milk for the perfect afternoon pick-me-up.
- Cut into tiny squares for a dessert platter at parties.
If you’re serving these at a party, cut them into smaller bite-sized pieces. They’re rich enough that a little goes a long way, and smaller pieces mean guests can try them along with other desserts without feeling overwhelmed.
How to Store
Store these blondies in an airtight container at room temperature for up to 5 days. I like to place pieces of wax paper between layers to prevent them from sticking together.
You can also freeze them. Cut them into individual squares and wrap each piece in plastic wrap. Place the wrapped pieces in a freezer-safe container or zip-top bag and freeze for up to 3 months. When you’re ready to enjoy them, just thaw at room temperature for about an hour.
Tips & Tricks
Be sure to check out the step by step instructions
- The key to browning butter is to watch it carefully. Look for a golden brown color and a nutty aroma. I always use a light-colored pan so I can see the color changing clearly.
- Don’t overmix the batter once you add the flour. Gentle folding is the best approach.
- Let the browned butter cool for 5-7 minutes before adding other ingredients.
Reader Questions
The butter will go through several stages: melting, foaming, and finally browning. You’ll notice small brown specks forming at the bottom of the pan, along with a nutty, almost caramel-like aroma. This usually takes 5-7 minutes. If it smells burnt, you’ve gone too far!
Absolutely! While I prefer dark chocolate for its rich flavor that balances the sweet blondies, you can use any chocolate you like.
The most common reason is overmixing the batter. Remember to fold the flour in gently, just until it is combined. Also, make sure you’re measuring your flour correctly – I always use the spoon and level method for accuracy.
Look for golden brown edges and a crackly top. The center might seem slightly underbaked, but that’s okay! They’ll continue to set as they cool. A toothpick inserted in the center should come out with a few moist crumbs.
Yes! Use a 9×13-inch pan instead of an 8×8-inch one. The baking time may need to be adjusted slightly, so keep a close eye on them.
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Brown Butter Blondies Recipe
Ingredients
- ½ cup butter
- 1 cup brown sugar
- 1 egg
- 2 teaspoons vanilla extract
- ¼ teaspoon salt
- 1 ¼ cup all-purpose flour
- ¼ teaspoon baking powder
- 1 cup dark chocolate chunks
Instructions
- Preheat your oven to 350 degrees F. Line an 8×8-inch baking pan with parchment paper, leaving some hanging over the sides for easy removal.
- In a saucepan, melt the butter over medium heat. Continue cooking, stirring frequently, until the butter foams and then turns golden brown with a nutty aroma. This takes about 5–7 minutes. Remove from heat immediately to prevent burning. Transfer the browned butter to a large mixing bowl and let it cool slightly.½ cup butter
- Once the browned butter has cooled for 5–7 minutes, whisk in the brown sugar until combined.1 cup brown sugar
- Add the eggs one at a time, whisking well after each addition. Stir in the vanilla extract and salt.1 egg, 2 teaspoons vanilla extract, ¼ teaspoon salt
- Sift in the flour and baking powder. Gently fold the mixture with a spatula until just combined (avoid overmixing).1 ¼ cup all-purpose flour, ¼ teaspoon baking powder
- Fold in the chocolate chunks. The batter will harden, and that’s okay.1 cup dark chocolate chunks
- Spread the batter evenly into the prepared pan. Smooth the top with a spatula.
- Bake for 25–30 minutes, or until the edges are golden brown and the top has cracked.
- Allow the blondies to cool completely in the pan on a wire rack (about 1–2 hours). Use the parchment overhang to lift the blondies out of the pan and slice them into squares.
Notes
- The key to browning butter is to watch it carefully. Look for a golden brown color and a nutty aroma. I always use a light-colored pan so I can see the color changing clearly.
- Don’t overmix the batter once you add the flour. Gentle folding is the best approach.
- Let the browned butter cool for 5-7 minutes before adding other ingredients.
- Use any flavor of chocolate that you like.
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Nutrition Information
Nutrition facts are estimates.
