These brown butter brookie bars are a combination of chocolate chip cookies and fudgy brownies. They have a layer of fudgy brownie with brown butter chocolate chip cookies on top. The brown butter helps to give the bars a gourmet flavor and it reduces the sweetness.
These brown butter brookie bars are the combination of the two best desserts! Chocolate chip cookies and brownies.
Normally these would be very sweet, however I added extra salt to the chocolate chip cookie dough. Also, the brown butter nuttiness also reduces the sweetness.
If you are looking for more brown butter recipes, try brown butter chocolate chip cookies, brown butter carrot cake, and Oreo blondies.
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Why You Will Love This
- Easy to make!- This recipe is super easy to make. The brownie batter and cookie dough is very quick to make.
- Fudgy brownies- These brownies are ultra fudgy and have both cocoa powder and chocolate chips.
- Brown butter chocolate chip cookies- The brown butter makes the cookie layer taste gourmet.
Ingredients
Here are notes about the ingredients used.
- Egg yolk- The egg yolk is needed to give the brownies an extra fudgy texture.
- Oil- Use canola, vegetable, or olive oil.
- Dutch process cocoa powder- This is the one I used. Dutch process cocoa powder gives the brownies a richer chocolate flavor.
- Cornstarch- The cornstarch helps to break down the gluten slightly. This helps to give the brownies a fudgier texture.
- Chocolate chips- Use semi-sweet or dark chocolate chips. Don't use milk chocolate chips.
- Browned butter- This is the process where the butter is browned until the milk deposits separate. The milk deposits are where the flavor lies.
Step By Step Instructions
Here are the steps to make and bake the brookies.
STEP 1: Brown the butter. Brown the butter in a frying pan. (It will fry faster this way) Whisk the butter until it foams and the milk deposits separate. Make sure to save all the brown bits. That is the most important part.
STEP 2: Make the brownie batter. First, mix the dry ingredients together. Use a sifter to avoid any flour/cocoa powder lumps.
STEP 3: Beat the eggs and sugar together. Next, add the sugar and eggs to a bowl with a whisk attachment. Beat for 5 minutes. This is what gives the brownies the crackle top.
STEP 4: Add in the wet ingredients. Next, add the butter, oil, and vanilla. Mix on low. Then, add in the dry ingredients.
STEP 5: Add in chocolate chips. Next, take the bowl off the mixer and fold in the chocolate chips. Pour brownie batter in a 9X9 pan.
STEP 6: Bake for 15 minutes. Then, start the cookie dough. Mix the dry ingredients together.
STEP 7: Mix brown butter and sugar together. In a separate bowl, mix the brown butter and sugar with a rubber spatula. Then, add in the vanilla and egg.
STEP 8: Mix in dry ingredients. Next, mix in the dry ingredients. Once combined, add in the mini chocolate chips. Then, place the cookie dough in the freezer while the brownies bake.
STEP 9: Top the brownie batter with the cookie dough. Next, take the cookie dough and flatten into discs. Use all of the cookie dough.
STEP 10: Bake for 30 minutes. Next, bake until the edges are firm and the middle has no jiggle. Let them cool completely.
Baking Tips
These brownies need to be under done in the middle slightly. They will continue to bake as they cool. That is why the brownies get baked first before the cookie dough is added.
To get the perfect slice, place the brookies in the freezer for 10 minutes. Then, cut the bars on a cutting board with a sharp knife.
For the melted chocolate look, add chopped chocolate on top.
FAQ
Brookies are brownies and chocolate chip cookies combined into one dessert. Blondies usually are caramel with butterscotch flavoring.
This is due to the bars being too fudgy in the middle. Bake the brookies for an extra 5-10 minutes.
Yes you can. It will create thicker bars.
Yes you can. Double the recipe.
Storing and Freezing
Store these brown butter brookie bars in an airtight container at room temperature. They will last up to 5 days.
Freezing
Freeze these bars by wrapping tightly in cling wrap. Freeze them for up to 30 days. Thaw for 1 hour before eating.
Other Bar Recipes To Try
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📖 Recipe
Brown Butter Brookie Bars
Ingredients
Fudgy Brownie
- 1 â…“ cups White granulated sugar
- 2 Large eggs
- 1 Egg yolk
- â…“ cup Oil canola or vegetable
- 5 tablespoon Unsalted butter melted
- 1 teaspoon Pure vanilla extract
- ¾ cup All-purpose flour
- ¾ cup Dutch process cocoa powder
- 1 tablespoon Cornstarch
- 1 teaspoon Salt
- 1 cup Chocolate chips
Brown Butter Chocolate Chip Cookies
- â…“ cup Unsalted butter browned
- â…“ cup Brown sugar packed light or dark
- â…› cup White granulated sugar
- 1 teaspoon Pure vanilla extract
- 1 Large egg room temperature
- â…” cup All-purpose flour
- ¼ teaspoon Baking soda
- ½ teaspoon Salt
- ½ cup Mini chocolate chips
Instructions
- Before baking the brownies, brown the butter for the cookies. Place butter in a frying pan over medium heat. Stir constantly. Stir until the butter foams and the milk deposits separate. It will turn amber quickly. Take off heat and let it cool.â…“ cup Unsalted butter
Fudgy Brownie
- Preheat oven to 325F. Spray a 9X9 pan with baking non-stick spray. Line the bottom and 2 sides of the pan with parchment paper. Spray again.
- In a mixing bowl, sift the flour, cocoa powder, cornstarch, and salt. Set aside. Using a mixer with a whisk attachment, combine sugar, eggs, and egg yolks. Beat on high for 5 minutes.2 Large eggs, ¾ cup All-purpose flour, ¾ cup Dutch process cocoa powder, 1 tablespoon Cornstarch, 1 teaspoon Salt, 1 Egg yolk
- Melt the butter in the microwave while you wait. Add in melted butter, oil, and vanilla. Mix on low until just combined. Add in the dry ingredients. Mix on low until just combined. Scrape the bowl. Mix lightly with a rubber spatula. Add in the chocolate chips.â…“ cup Oil, 5 tablespoon Unsalted butter, 1 teaspoon Pure vanilla extract, 1 cup Chocolate chips
- Pour brownie batter in the pan. Spread evenly. Bake for 10 minutes.
Brown Butter Chocolate Chip Cookies
- In a mixing bowl, mix the flour, baking soda and salt. Set aside. In a separate mixing bowl, mix the brown butter, brown sugar, and sugar until combined. Add in vanilla and egg. Mix.⅓ cup Brown sugar, ⅛ cup White granulated sugar, 1 teaspoon Pure vanilla extract, ⅔ cup All-purpose flour, ¼ teaspoon Baking soda, ½ teaspoon Salt, 1 Large egg
- Add in the dry ingredients. Mix until combined. Add in the mini chocolate chips.½ cup Mini chocolate chips
- Flatten cookie dough into small discs. Place on top of the brownie batter. Bake for 30-35 minutes. Bake until cookie is lightly browned on top.
- Let it cool completely before removing from the pan and serving.
Lilly says
These brownie cookie bars are my favorite! I looveeddd the flavor!
Zofia says
Amazing recipe! The flavours go so well together. The brownie is perfectly chewy and rich, and the cookie has great toffee flavour. Will definitely be making these again!
lola says
I just made this and its a very good recipe! rich and lovely, thank you for this
Jessica says
Hi, I love all your recipes! I don’t have a 9x9 baking dish, can I use an 8x8? If so, how will it affect the recipe and baking time? Thanks in advance!
Stephanie Rutherford says
Yes you can. It will create thicker bars. You will have to increase the baking time for 5-10 minutes.
lola says
I think there's some website errors in the instructions?
Stephanie Rutherford says
Sorry about that! I recently got a new ad provider and am still working out the kinks. It is better today!