Brown Butter Brookies: A Cozy Delight for Any Occasion

There’s something magical about a chilly afternoon, when the leaves outside are being kissed by the golden sun, and the warm scent of baked goodies wafts through the home. On days like this, I love to dive into the kitchen and whip up a batch of Brown Butter Brookies. These delightful treats combine the best of two worlds: rich chocolate brownies and classic chocolate chip cookies in one irresistible bite. It’s the perfect recipe to share with friends and family or to enjoy curled up with your favorite book. Trust me, this is one you’ll definitely want to pin for later!

Why You’ll Love This Recipe

Decadent Flavor Combination: The nutty notes of brown butter enriched with gooey chocolate create a comforting, creamy experience in every bite.
Crowd-Pleasing Dessert: This sweet treat is always a hit at gatherings, making it a perfect choice for easy weeknight dinners or cozy family nights.
Simple to Make: With straightforward steps, you’ll have these delicious brookies ready to impress in no time!
Customizable to Your Taste: Personalize your brookies with your favorite mix-ins or toppings for a zesty, rich addition.
Perfectly Balanced Textures: The soft, chewy cookies layered atop gooey brownies create a delightful contrast that’s impossible to resist.

Ingredients You’ll Need for Brown Butter Brookies

Gather the following simple ingredients to create your own batch of these heavenly Brown Butter Brookies:

14.5 tbsp salted butter (206 grams)
3/4 cup dark brown sugar, packed (163 grams)
3/4 cup granulated sugar (156 grams)
2 large eggs, at room temperature
1 and 1/2 tsp vanilla extract
3 cups all-purpose flour, spooned & leveled or weighed out (390 grams)
1 tsp baking soda
1 tsp baking powder
1/2 tsp salt
1 and 1/2 cups chocolate chips
3/4 cup salted butter, cubed (170 grams before browning, 140 grams after)
4 ounces semi-sweet chocolate, chopped (chocolate chips work, too)
1/4 cup vegetable oil (56 mL)
3/4 cup cocoa powder (63 grams)
3 large eggs, at room temperature
1 large egg yolk, at room temperature
3/4 cup granulated sugar (158 grams)
1 and 1/2 cups powdered sugar (174 grams)
2 tsp vanilla extract
1/4 tsp salt
1/2 cup all-purpose flour (65 grams)
Pinch of espresso powder (optional)
1 cup semi-sweet chocolate chips
Flaky sea salt, optional

How to Make Brown Butter Brookies

Let’s make it together! Follow these warm and inviting steps to create a batch of delicious Brown Butter Brookies:

Prep: Preheat your oven to 350℉. Spray a 9×13 metal pan with nonstick spray and line with parchment paper (this makes for easy removal & slicing later).
Make the Chocolate Chip Cookie Dough: Melt 14.5 tablespoons of salted butter in a large mixing bowl. Whisk in dark brown sugar and granulated sugar until smooth. Add the eggs and vanilla, whisking until everything is combined, about 30-45 seconds. Stir in the flour, baking soda, baking powder, and salt, followed lastly by 1 and 1/2 cups of chocolate chips. Divide the dough into two equal halves (about 640 grams each). Press half of the dough into the prepared pan, lift out the piece of parchment paper, and replace it with a new piece. Set this layer aside and leave the remaining dough in the bowl.
Brown the Butter: In a medium saucepan, add the cubed butter over medium heat. Melt the butter while stirring occasionally. Once melted, turn the heat to medium-low and continue cooking, stirring frequently. The butter will become foamy, bubbly, and then turn a deep golden shade, filling your kitchen with a nutty, caramelized aroma (this takes about 3-6 minutes once melted).
Make the Brownie Batter: After browning the butter, stir in the semi-sweet chocolate until completely melted. Then whisk in the vegetable oil and cocoa powder. Set aside to cool slightly. In a large mixing bowl, whisk together the eggs, egg yolk, and granulated sugar for about 1-2 minutes until the sugar is fully dissolved (it should feel completely smooth). Whisk in the powdered sugar, vanilla extract, and salt. When the chocolate mixture is no longer hot (but still warm), whisk it into the egg and sugar mixture. Fold in the flour and optional espresso powder, then mix in 1 cup of semi-sweet chocolate chips.
Assemble: Spread slightly more than half of the brownie batter in the bottom of your lined 9×13 pan. Lay the sheet of cookie dough on top, removing that extra piece of parchment paper. Spread the remaining brownie batter over this layer. Form large, thick discs with the remaining cookie dough and set on top of the brownie mixture. Press extra chocolate chips into any bare spots on the cookie dough if you desire.
Bake: Bake the assembled brookies for 38 to 44 minutes. You’ll know they’re ready when the cookies are golden and the brownies have a shiny top. A toothpick inserted into the brownie part will have some moist crumbs but no wet batter. Avoid overbaking!
Serve & Store: Let the bars cool in the pan on a wire rack for about 1-2 hours before slicing. If desired, sprinkle with flaky sea salt! Once cooled, store any leftovers in an airtight container at room temperature for 3-4 days. I highly recommend warming leftover slices in the microwave before enjoying!

Delicious Variations to Try

Want to spice things up? Here are a few fun ways to customize your Brown Butter Brookies:

Nutty Surprise: Fold in a handful of walnuts or pecans into the brownie batter for a delightful, crunchy texture.
Minty Indulgence: Add a teaspoon of peppermint extract to the brownie batter for an indulgent minty twist; perfect for holiday gatherings!
Caramel Drizzle: Drizzle warmed caramel sauce over the top before serving for a luscious, gooey finish.
Zesty Citrus: Incorporate the zest of an orange or lemon into the cookie dough for a zesty surprise.

Chef Emma’s Helpful Tips

Make-Ahead Magic: You can prepare the cookie dough and brownie batter the night before to save time on baking day!
Ingredient Substitutions: For a dairy-free option, substitute the butter with coconut oil and use dairy-free chocolate chips.
Slicing Pro Tip: Use a sharp knife dipped in hot water to easily cut through the brownies and cookies without tearing them apart.
Storage Suggestion: Store leftover brookies in an airtight container, to keep them fresh. Reheat them for a few seconds in the microwave for a warm indulgence.

Nutrition Information per Serving

Serving Size: 1 brookie bar
Calories: 320
Total Carbohydrates: 43g
Sugar: 22g
Fat: 15g
Protein: 4g
Sodium: 150mg

Frequently Asked Questions

Can I make this ahead?
Absolutely! You can prepare the cookie dough and brownie batter in advance and store them in the fridge for a day.

Can I use different ingredients?
Feel free to get creative! Substitute ingredients like brown sugar with coconut sugar, or use gluten-free flour for a gluten-free option.

How do I store leftovers?
Store the cooled bars in an airtight container at room temperature for 3-4 days.

How long does it last?
These delicious brookies can be stored for up to 4 days at room temperature or, if wrapped tightly, up to a week in the fridge.

A Cozy Closing Note

These Brown Butter Brookies are more than just a treat; they’re a celebration of cozy moments spent with loved ones, afternoons filled with laughter, and evenings wrapped in warmth. They not only satisfy your sweet tooth but also create memories that linger long after the last crumb is gone. Save this Brown Butter Brookies recipe to your dessert board so it’s ready when you need a cozy treat!