Brownie Cookie Bars

Featured in Sweet Treat Sensations.

Layer fudgy brownies with a thick spread of chocolate chip cookie dough for a delicious two-in-one dessert bar that's irresistible.

Ranah
Updated on Tue, 18 Mar 2025 18:52:47 GMT
Two stacked chocolate chip cookie bars showing their gooey brownie and cookie layers on a white plate. Pin it
Two stacked chocolate chip cookie bars showing their gooey brownie and cookie layers on a white plate. | chefemmakitchen.com

I've gotta tell you about these unbelievable Chocolate Chip Cookie Brownies from my kitchen! I whipped these up one day when I couldn't pick between cookies or brownies, and now my kids won't stop asking for them. Take a bite and you'll get this amazing combo of buttery, soft cookie and rich, gooey brownie all packed into one tasty square. I swear, you'll never look at plain brownies the same way again!

The Secret Behind These Incredible Treats

You know what makes everyone smile right away? These dessert bars do just that. I've spent ages getting the balance just right between the cookie top and that fudgy brownie bottom (my family didn't mind testing batch after batch!). They're super portable too - everyone wants me to bring them to gatherings and bake sales. What I love most? They work great dressed up fancy or kept simple.

What You'll Need

Grab these items to make your dream dessert:

  • Kitchen staples:
    • All-purpose flour for building both delicious layers
    • Brown and white sugar to make everything wonderfully chewy
    • Basic helpers: baking powder and soda for the lift we need
    • Salt to bring out all the yummy flavors
  • Refrigerator items:
    • Eggs for both parts of our treat
    • Unsalted butter (salted works too just cut back on extra salt)
  • The main attractions:
    • Milk chocolate chips (any variety works fine I've gone through them all!)
    • Quality bittersweet chocolate for the amazing brownie foundation
    • Cocoa powder to amp up the chocolate flavor
    • Real vanilla extract because it really does make everything taste better

Time To Create

I can't wait to show you how easy this is! Start by heating your oven to 350°F. Here's my go-to pan trick: spray your 9x13 dish, put down parchment paper with some hanging over the edges, then give another quick spray. Your bars will come out perfectly later!

For our awesome cookie mix, combine the dry stuff in a bowl. Now for the fun part - in your big bowl, beat the butter and sugars till they're super fluffy. Don't rush this step! Add your egg and vanilla, then slowly mix in the dry ingredients. When you throw in those chocolate chips, try not to eat too many (I always do!).

For the brownie part - my favorite section - I melt chocolate and butter together. No fancy double boiler? No problem! Just put a bowl over some simmering water. When it's all smooth, we'll mix in everything else until it looks glossy and amazing.

A plate holds two stacked chocolate chip cookie bars, showcasing a layered chocolate brownie base and a golden cookie top, with chocolate chips sprinkled on top. Pin it
A plate holds two stacked chocolate chip cookie bars, showcasing a layered chocolate brownie base and a golden cookie top, with chocolate chips sprinkled on top. | chefemmakitchen.com

Assembling Your Masterpiece

Now comes the best bit! Pour that gorgeous brownie mix into the pan first and smooth it out. Then use my favorite method - break up that cookie dough all over the top. Don't stress about making it perfect, those random clumps create amazing texture!

Cover with foil for the first 20 minutes of baking - that's my trick for perfectly cooked layers. Then let it finish uncovered until it's just right. When you take it out, you'll want to dig in right away, but letting it cool completely makes such a difference!

Add Your Personal Touch

I've tried so many different versions of these bars over the years! Check out these family favorites from our kitchen:

  • Want some crunch? Throw in chopped walnuts or pecans to either layer.
  • During Christmas, I mix in crushed candy canes with a tiny bit of peppermint extract - the kids go wild!
  • Try sneaking peanut butter cups between the two layers - it's absolutely divine.
  • Going for a campfire feel? Mix graham cracker bits into the cookie part and toss mini marshmallows over the brownie before adding the cookie top.
  • My top pick? Use white chocolate chips in the cookie mix, then drizzle melted white chocolate on the finished bars. Feeling extra fancy? Serve warm with vanilla ice cream and hot fudge. So good!

Common Questions

After making these tons of times, here's what people usually ask:

  • Need a gluten-free version? Just use your favorite one-to-one flour blend - I've done this myself!
  • Go ahead and switch up your chocolate chips - white, dark, or milk all taste great.
  • They'll stay fresh about 3 days in a sealed container on your counter, or 5 days in the fridge (but they never last that long at my house!).
  • You can definitely freeze them! Wrap them up well and they'll keep for 3 months. Perfect for unexpected guests or midnight snacking.
  • Want to get ahead? Make both batters a day early, keep them in the fridge, then let them warm up before you put them together.

Great For Any Gathering

These treats have become my go-to for everything from school fundraisers to family celebrations. They work for fancy events but are simple enough for a random weeknight treat. Plus, they make your whole house smell wonderful while they bake!

A stack of two chocolate chip cookie brownies on a white plate, showcasing a layer of cookie dough on top of a fudgy brownie base. Pin it
A stack of two chocolate chip cookie brownies on a white plate, showcasing a layer of cookie dough on top of a fudgy brownie base. | chefemmakitchen.com

How To Share The Joy

Want to know the best way to serve these? Still a bit warm with cold vanilla ice cream on top. For parties, I cut them into tiny squares so everyone can grab one. And grab some napkins - these tasty treats can get messy!

The Magic In Every Bite

What makes these bars so amazing is how different each layer is - that fudgy brownie bottom with the soft, buttery cookie on top gives you the most incredible texture in each bite. It's like having two favorite desserts at once, and they're way better together!

Storage Tips

Here's my tested storage method: keep them in a sealed container with wax paper between layers if you stack them. They'll stay yummy at room temp for three days, or stick them in the fridge for up to five. Though honestly, having leftovers isn't usually something we worry about!

Freezer Friendly

One of my best mom hacks is keeping these stashed in the freezer! Wrap each one in plastic, then put them in a freezer container. They'll stay good for three months, but they never hang around that long. Just take them out the night before you want them.

A close-up of a chocolate chip cookie bar being held, revealing a gooey chocolate filling, with additional chocolate chips scattered on a white plate. Pin it
A close-up of a chocolate chip cookie bar being held, revealing a gooey chocolate filling, with additional chocolate chips scattered on a white plate. | chefemmakitchen.com

Crowd-Pleasing Favorite

From summer cookouts to birthday parties, these bars always get all the attention. I love watching people's reactions when they take their first bite. They're always the first dessert to vanish from any table!

Endless Variations

What's great about this treat is how many ways you can change it up. Sometimes I add crushed nuts, sometimes I swirl in caramel, and for holidays, I might sprinkle on festive decorations. Every version turns out delicious - just go with what sounds good!

Comfort Food At Its Best

There's something really special about combining two classic sweets into one. These bars remind me of baking with my mom when I was little, bringing together everything wonderful about cookies and brownies. They're like comfort food in dessert form!

Make Them Even Better

Let's talk about extras! A splash of caramel sauce, some whipped cream, or even a swirl of peanut butter can make these bars even more amazing. My children love helping choose what to add - it's become our special baking tradition!

A close-up of a chocolate chip cookie bar, showcasing a gooey chocolate filling between layers of cookie dough. Pin it
A close-up of a chocolate chip cookie bar, showcasing a gooey chocolate filling between layers of cookie dough. | chefemmakitchen.com

Foolproof Baking

Don't worry about the two-part nature of this treat! I've broken everything into easy steps that even my teenager can handle. It's actually a fantastic starting point for building kitchen confidence.

Homemade With Love

Looking for something thoughtful to give someone? These bars are perfect! I pack them in cute boxes or jars for teachers, neighbors, and friends. They always bring huge smiles and people asking how to make them!

Two Favorites United

You know how some things just belong together? That's these bars! The thick, rich brownie perfectly pairs with the soft, chewy cookie top. They were meant to be together!

Chocolate Bliss In Every Square

These cookie brownies have brought so much happiness to my kitchen and I bet they'll do the same for yours. Whenever I bake them, they remind me why I love baking - it's about making something yummy that brings folks together. Whether you're making these for a special day or just because, I'm sure they'll become a staple in your baking lineup!

A plate stacked with three chocolate chip brownie bars, sprinkled with chocolate chips on top, rests on a decorative napkin. Pin it
A plate stacked with three chocolate chip brownie bars, sprinkled with chocolate chips on top, rests on a decorative napkin. | chefemmakitchen.com

Frequently Asked Questions

→ Why use foil during baking?

Foil keeps the top cookie layer from turning too dark before the brownie part finishes baking. It helps everything cook evenly.

→ Are other chocolate chips okay?

Absolutely! Try milk, dark, or semi-sweet chips for a twist. Each option adds a unique flavor to your bars.

→ Why is parchment paper useful?

Parchment makes removing the bars easy after baking, so cutting them's a breeze. Plus, cleanup is way faster.

→ Can I freeze these treats?

Totally! Wrap them well and they'll keep in the freezer for up to 3 months. Let them thaw in the fridge overnight before eating.

→ How can I tell they’re ready?

The top should be golden, and sticking a toothpick in should pull out a few crumbs. Be careful not to overbake or they’ll dry out.

Brownie Cookie Bars

A sweet mashup of gooey brownies layered with chewy chocolate chip cookie dough. Perfectly baked into one mouthwatering treat.

Prep Time
20 Minutes
Cook Time
50 Minutes
Total Time
70 Minutes
By: emma

Category: Desserts

Difficulty: Intermediate

Cuisine: American

Yield: 16 Servings (16 bars)

Dietary: Vegetarian

Ingredients

01 1/2 teaspoon baking soda.
02 1 teaspoon salt (goes into cookie dough).
03 1/2 cup granulated sugar (for the cookie layer).
04 1/2 cup packed brown sugar.
05 1 stick unsalted butter, softened (used in cookies).
06 1 3/4 cups all-purpose flour (cookies use this).
07 1 teaspoon vanilla extract (added to cookies).
08 1 egg (used in cookie mixture).
09 1/2 teaspoon baking powder.
10 1 cup chocolate chips.
11 3 large eggs (mix into brownies).
12 1 stick unsalted butter, cubed (added to brownies).
13 6 ounces bittersweet chocolate, chopped.
14 1/4 cup cocoa powder (unsweetened).
15 1/2 teaspoon salt (used in brownie batter).
16 1/2 teaspoon vanilla extract (brownies need this).
17 1 1/2 cups granulated sugar (brownie layer).
18 2/3 cup all-purpose flour (for brownie base).

Instructions

Step 01

Get your oven to 350°F. Spray your 9x13 pan first, lay in parchment paper, then spray again.

Step 02

Combine the flour, baking soda, salt, and baking powder for the cookie dough in a bowl.

Step 03

Mix the butter with both sugars until creamy. Add the egg, vanilla, and stir in the dry ingredients along with the chocolate chips.

Step 04

Over a simmering pot of water, melt butter and chocolate in a heat-safe bowl. Stir in cocoa, vanilla, sugar, salt, and eggs, then finally fold in the flour.

Step 05

Spread brownie batter in the pan. Scatter cookie dough chunks over the top. Cover with foil and bake for 20 minutes. Remove foil and bake another 28-30 minutes.

Step 06

Set it aside to cool completely in the pan. Lift out by grabbing the parchment, then cut into squares.

Notes

  1. Check around 48 minutes to see if it’s done.
  2. Store for up to 3-4 days in an airtight container.
  3. Feel free to pick any type of chocolate chips for the cookie layer.

Tools You'll Need

  • Electric mixer.
  • Parchment paper.
  • 9x13 pan for baking.
  • Heat-proof bowl or a double boiler.

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Contains dairy.
  • Contains eggs.
  • Made with wheat flour.

Nutrition Facts (Per Serving)

It is important to consider this information as approximate and not to use it as definitive health advice.
  • Calories: 375
  • Total Fat: 17 g
  • Total Carbohydrate: 53 g
  • Protein: 4 g