This Oreo Brookie is part fudge brownie, part chocolate chip cookie, loaded with Oreos, and made in a large baking dish to serve a crowd. The brownie portion is made with high quality milk chocolate and high quality coco powder for a super fudgie brownie. The chocolate chip cookie portion is a classic chocolate chip cookie with a little extra butter for extra gooeyness.
This recipe does require you to make two separate batters. However, it’s enough to fill a large 9x13 baking dish. That way you’ll have plenty of dessert for all of your efforts.
What is a Brookie?
A Brookie is a dessert bar that is part Brownie and part Cookie. It typically uses chocolate chip cookie dough, but other cookies work too, like peanut butter cookies.
A Brookie can be made in a few different ways:
- Two layers: brownie on the bottom and cookie on top
- Swirled brownie and cookie
- Gobs of each left to melt and bake into each other (like this recipe)
Oreos and Brookies
Oreos are a great complement to brookies. They work seamlessly in brownies and in chocolate chip cookies. Oreos mixed into either one on its own would make for a great dessert. Combine them all together and its one intensely yummy treat.
The recipe calls for 1 row of Oreos in a family sized pack (or 15 Oreos) that are mixed into the brownie batter. After both the brownie batter and cookie dough have been added to the baking dish, toss several additional Oreos on top. If you’re serving to kids you may want to ensure that there’s enough “sprinkled” Oreos on top so that each kid gets one in their Oreo Brookie bar.
Brownie: Choosing High Quality Chocolate
Choosing high quality chocolate for the brownie part of these Oreo Brookies makes all the difference. You will have a totally different brownie if you use high quality milk chocolate and cocoa powder rather than store brand or lower quality chocolate. Higher quality milk chocolate will melt better in the microwave (or on the stove) compared with lower quality chocolate. It also just tastes infinitely better. I recommend either Ghirardelli or Guittard. They are readily accessible at large grocery stores, Target, or Whole Foods.
The same is true with the coco powder. Choose a higher quality brand such as Guittard or Ghirardelli. This can sometimes be harder to find than high quality chocolate chips, but I have seen it at Target, Whole Foods, and Amazon.
Chocolate Chip Cookie: Choosing Chocolate Chips
Most types of chocolate will work well in the chocolate chip cookie part of the brookie. I tend towards bittersweet which is pretty traditional, but if you have extra milk chocolate chips from the brownie part of the batter, then feel free to use those. Also, other brands like Nestle will work here. You don’t need the higher quality chocolate from brands like Ghirardelli or Guittard for the chocolate chip cookie part.
Oreo Brookies: Making Two Batters
Because this Oreo Brookie recipe is half brownie and half chocolate chip cookies, it requires that you make two batters. Since that will take longer than making just one batter, I ensure that the proportions are larger and you will get a full 9x13 baking dish worth of Oreo Brookie bars for your efforts.
I make the Oreo brownie batter first, then the cookie dough, each in a separate bowl. Then I add scoops of cookie dough first to the 9x13 dish, then Oreo brownie batter around the cookie dough. If you would prefer to use only one bowl, or if you only have 1 large bowl, feel free to make either batter first. Add the batter in scoops to the baking dish, wash the bowl, and repeat with the second batter/dough.
9x13 Aluminum Baking Dish
I make these brownies in an 9x13 aluminum baking dish. If you plan to eat them at home with your family, I find it easier to just butter and flour the dish. However, if you’re looking to pack them up and bring them somewhere, I’d recommend lining the dish with parchment paper, then butter and flour the dish. It makes it easier to remove the brownies cleanly and cut evenly sized pieces.
If using a glass or ceramic dish you may have to adjust the baking time. Also keep in mind that all ovens vary in terms of how hot they run. You may want to check the Oreo Brookies before the 30-35 minute mark to see how yours are doing.
How to Make an Oreo Brookie: Step-by-Step
Make the Oreo Brownie Batter: Melt the butter and chocolate and combine.
Add granulated sugar, then eggs and the extra egg yolk.
Then, add coco powder, flour, vanilla and salt and combine.
Next, add Oreos and combine.
Make the Chocolate Chip Cookie Dough: Combine the softened butter, brown sugar and granulated sugar.
Add the egg, vanilla extract and combine. Then add the baking soda and salt and combine. Next add the flour and combine.
Stir in the chocolate chips.
Using a cookie scoop, add 2 tbsp drops of the cookie dough dough to a prepared 9x13 baking dish. Fill in any remaining gaps with 2tbsp drops of the brownie batter.
Add additional Oreos on top. Bake at 350℉ for 35 minutes.
If you're looking for other dessert recipes, you may love these:
Double Chocolate Fudge Brownies: made with high quality milk chocolate and coco powder. Ultra chocolatey and easy to put together.
Biscoff Blondies: Blondies made with Biscoff cookie spread in the batter and swirled on top.
Simple Flourless Chocolate Cake: Made with melted chocolate chips and cocoa powder, does not require any flour, and only takes a few minutes of prep. Great for date night at home or having friends over.
If you make these Oreo Brookies, I'd love to hear from you and learn how it went. Leave a rating and a comment down below and let me know how it turns out! Your feedback means a lot!
Oreo Brookie
Ingredients
Oreo Brownie
- 1 cup milk chocolate chips high quality (Ghirardelli or Guittard)
- 12 tbsp butter
- 1 cup granulated sugar
- 2 large eggs
- 1 egg yolk
- ¾ cup coco powder high quality (Ghirardelli or other)
- ½ cup all-purpose flour
- 1 tsp vanilla
- ¼ tsp salt
- 15 Oreos, broken into quarters + additional for "sprinkling" on top
Chocolate Chip Cookie
- 8 tbsp butter, softened
- ¾ cup brown sugar
- ¼ cup granulated sugar
- 1 large egg
- 1 tsp vanilla extract
- 1 tsp baking soda
- ¼ tsp salt
- 1 cup all-purpose flour
- 1 cup bittersweet or milk chocolate chips
Instructions
Oreo Brownie
- Preheat the oven to 350℉.
- Butter and flour a 9x13 aluminum baking dish, or butter and line with parchment paper.
- In a large bowl, add the milk chocolate chips and butter. Microwave at 50% power for 1 minute, continuing for 30 seconds at a time until the chocolate has softened and the butter has melted and can be stirred.
- Add the granulated sugar and stir to combine. Ensure that the melted chocolate mixture has cooled to room temperature, then add the eggs and additional egg yolk and combine.
- Add the coco powder, flour, vanilla, and salt and combine.
- Add the broken Oreos and stir gently to incorporate.
Chocolate Chip Cookie
- In a separate large bowl combine the softened butter, brown sugar, and granulated sugar.
- Add the egg and vanilla extract and combine. Add the baking soda and salt and combine.
- Add the flour and combine. Lastly add the chocolate chips and stir to incorporate.
Assembling the Brookie
- Using a spoon or cookie scoop add 2 tbsp drops of the chocolate chip cookie dough to the baking dish. Fill in any remaining gaps with 2tbsp drops of the brownie batter. Do not worry if the batter/dough does not fill out all of the gaps or reach to the corners and edges of the dish. It will spread out while baking.
- Bake for 35 minutes.
- Check at the 25 minute mark. Cover with aluminum foil if the chocolate chip cookie part of the Oreo Brookie is getting too dark in color.
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