Chocolate Chip Cookie and Oreo Fudge Brownie Bars

Delicious Chocolate Chip Cookie and Oreo Fudge Brownie Bar on a wooden surface

There are moments when a specific craving hits, demanding a treat that goes beyond the ordinary. For me, it happened during a Sunday night Steelers game. My mind wandered back to a beloved childhood indulgence: the legendary Cookie Fudge Fantasy from Eat n’ Park. For those unfamiliar, Eat n’ Park is a cherished diner chain deeply rooted in the Pittsburgh community. Growing up in the area, countless memories were forged within its cozy booths – post-football game gatherings, celebratory meals after basketball, first dates to the movies, or even before and after prom. It’s a place woven into the fabric of local life, a true ‘Burgh institution where you never really needed a reason to go, you just went. The Cookie Fudge Fantasy itself is an architectural marvel of dessert: a towering sundae featuring layers of crumbled chocolate chip cookies, creamy vanilla ice cream, and rich fudge, all crowned with whipped cream and a whole chocolate chip cookie. That particular Sunday, the craving was overwhelming, a delightful, persistent whisper in my ear. I hadn’t savored one in years, but suddenly, nothing else would do. Then, a memory surfaced: a recipe I had stumbled upon months ago on Kevin and Amanda’s blog. It promised to be the closest thing to my longed-for Cookie Fudge Fantasy, but in a convenient, baked bar form. The decision was immediate. I made them, and I can tell you, it was an experience akin to finding a little slice of heaven right here on earth.

Close-up of a stack of Chocolate Chip Cookie & Oreo Fudge Brownie Bars

Imagine this: the soft, chewy texture of a perfect chocolate chip cookie, blanketed by a crunchy layer of classic Oreo cookies, all topped with a thick, intensely fudgy brownie. These aren’t just three desserts; they are a symphony of flavors and textures, meticulously piled together to create one unbelievably decadent, truly sinful treat. Each bite offers a harmonious blend of crisp, creamy, chewy, and gooey, making these bars an absolute dream for any dessert enthusiast. While adding a scoop of vanilla ice cream would undoubtedly elevate this creation to an even more indulgent level – pushing it squarely into the realm of pure dessert extravagance – I opted to skip it. It was a particularly chilly and dreary day here in Pittsburgh, and I was already feeling the cold. However, rest assured, even without the ice cream, these bars are nothing short of phenomenal. Seriously, everyone deserves to experience a piece of this extraordinary indulgence at least once in their life. It’s the kind of dessert that leaves a lasting impression, a sweet memory that you’ll find yourself craving time and time again.

Initially, I considered making a smaller batch, halving the recipe to fit an 8×8-inch pan, a cautious move prompted by post-Thanksgiving portion control considerations. While my slightly reduced batch was still undeniably delicious and incredibly satisfying, I found myself contemplating the optimal ooey-gooey ratio. Looking back, I believe the original full recipe, as envisioned by Amanda, offers a more ideal balance of all those delightful textures that make these bars so special. Therefore, my strong recommendation for anyone embarking on this baking adventure is to commit to the full recipe. Don’t hesitate to go for “the whole enchilada”! You’ll be rewarded with a generous supply of these magnificent bars. If you find yourself with more than you can reasonably consume in a day or two, fear not. These bars freeze beautifully, making them perfect for future cravings or for sharing. Imagine the joy of gifting these homemade masterpieces to friends, family, or neighbors – you’ll undoubtedly earn their eternal gratitude and perhaps even a reputation as a master baker. These Chocolate Chip Cookie & Oreo Fudge Brownie Bars are more than just a dessert; they are an invitation to pure culinary bliss, guaranteed to bring smiles and satisfy even the most intense sweet tooth.

Speaking of cravings, my experience with these bars has only intensified my appreciation for classic comfort food. It has also added a new item to my weekly to-do list: “Get thee to Eat n’ Park” – for old times’ sake and perhaps a nostalgic Cookie Fudge Fantasy to compare notes with my homemade version.

Chocolate Chip Cookie and Oreo Fudge Brownie Bar cut into squares

For more baking inspiration, check out these past favorites:

One year ago: Carrot Cake with Cream Cheese Frosting
Two years ago: Empire Cookies

Chocolate chip cookie and Oreo brownie on a wood board.

Ultimate Chocolate Chip Cookie & Oreo Fudge Brownie Bars

Yield: 32 bars
Prep Time: 20 minutes
Cook Time: 45 minutes
Total Time: 1 hour 15 minutes
Experience the ultimate trifecta of dessert bliss with these layered bars. A decadent base of gooey chocolate chip cookie, topped with crunchy Oreo cookies, and finished with a rich, fudgy brownie layer. The perfect indulgent treat for any occasion!




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Ingredients for the Ultimate Dessert Bars

  • 1 cup (227 g) unsalted butter, softened to room temperature
  • 1 cup (200 g) granulated sugar
  • ¾ cup (165 g) light brown sugar, packed
  • 2 large eggs
  • 1 tablespoon pure vanilla extract
  • cups (312.5 g) all-purpose flour
  • 1 teaspoon baking soda
  • 1 teaspoon salt
  • 2 cups (360 g) milk chocolate chips, (approximately 12 ounces)
  • 1 package Double Stuffed Oreos, (18-ounce)
  • 1 Family Size 9×13 Brownie mix, (or your favorite homemade Chewy Brownies recipe)
  • ¼ cup (76 ml) hot fudge topping

Step-by-Step Instructions for Layered Dessert Perfection

  • **Prepare Your Pan:** Begin by preheating your oven to 350 degrees F (175 degrees C). Take a 9×13-inch baking pan and butter it generously. This initial buttering helps the parchment paper adhere smoothly. Next, line the buttered pan with parchment paper, ensuring it extends slightly over the sides to create “handles” for easy lifting later. Finally, butter the parchment paper itself. This triple-layered preparation is crucial for preventing sticking and ensuring a clean release of your finished bars.
  • **Craft the Chocolate Chip Cookie Base:** In a medium bowl, thoroughly whisk together the all-purpose flour, baking soda, and salt. Set this dry mixture aside. In a separate, larger mixing bowl, cream together the softened unsalted butter with both the granulated sugar and the packed light brown sugar. Use an electric mixer on medium speed for 3 to 5 minutes until the mixture is light, fluffy, and pale in color. This creaming process incorporates air, which contributes to the cookie layer’s tender texture. Add the eggs one at a time, mixing well after each addition to ensure full incorporation, then stir in the vanilla extract. Reduce the mixer speed to low and gradually add the reserved flour mixture, mixing just until combined. Be careful not to overmix, as this can lead to a tough cookie. Finally, fold in the milk chocolate chips by hand. Evenly spread this glorious cookie dough into the bottom of your prepared 9×13-inch baking dish, pressing it down gently to form a uniform layer.
  • **Add the Oreo Layer:** Once your chocolate chip cookie base is ready, it’s time for the delightful middle layer. Carefully arrange the Double Stuffed Oreo cookies directly on top of the cookie dough. Place them in a single, even layer, covering the entire surface as much as possible. Don’t worry if there are tiny gaps; the brownie batter will fill those in. This Oreo layer will provide a fantastic crunch and an additional burst of chocolatey, creamy flavor to your bars.
  • **Prepare and Pour the Fudgy Brownie Topping:** Now, prepare your brownie mix according to the package directions. To elevate the fudginess and add an extra layer of richness, stir in ¼ cup of hot fudge topping directly into the brownie batter. This secret ingredient ensures an incredibly moist and decadent brownie layer. Once the brownie batter is smooth and ready, carefully pour it over the layer of Oreos and cookie dough, spreading it gently with a spatula to cover everything evenly. Bake the bars in the preheated oven for 45-55 minutes. A good indicator of doneness is when a toothpick inserted into the center of the brownie layer comes out with moist crumbs, but not wet batter. Avoid overbaking to maintain maximum fudginess. Once baked, remove the pan from the oven and allow the bars to cool completely on a wire rack before attempting to slice them. Cooling is essential for clean, defined layers. Store any leftover bars in an airtight container at room temperature to maintain their freshness and irresistible texture.
Calories: 309kcal,
Carbohydrates: 45g,
Protein: 3g,
Fat: 13g,
Saturated Fat: 6g,
Cholesterol: 27mg,
Sodium: 225mg,
Potassium: 63mg,
Fiber: 1g,
Sugar: 29g,
Vitamin A: 215IU,
Vitamin C: 0.1mg,
Calcium: 27mg,
Iron: 2.3mg

Did you make this recipe?

Leave a review below, then snap a picture and tag @thebrowneyedbaker on Instagram so I can see it!

Author: Michelle Lettrich
Course: Dessert
Cuisine: American