Mouthwatering Slutty Brownies You Must Try are the triple-threat dessert every sweet tooth dreams about—chewy chocolate-chip cookie base, crunchy Oreo middle, and fudgy brownie top all in one bite. They come together with boxed mix and pantry staples, so you can whip them up on a weeknight without a mixer. The edges bake up crispy while the center stays gooey, giving you that bakery-counter texture at home. Pair it with my Ultra Thick Bakery Style Chocolate Chip Cookies for the ultimate cookie spread.
★★★★½ 4.5 (118 reviews)
Why You'll Love Mouthwatering Slutty Brownies You Must Try (Easy Homemade Dessert)
Mouthwatering Slutty Brownies You Must Try: 40-minute cookie-oreo-brownie layers baked in one pan. Kid-approved, beginner-friendly, pantry-staple dessert.
- One 9×13 pan, no fancy equipment
- Ready in 40 minutes—perfect for last-minute guests
- Kid-friendly, beginner-friendly, budget-friendly
- Freezes beautifully for meal-prep desserts
Ingredients
Brownie mix: Pick “fudge” over “cake” for gooey centers; any brand worksOreos: Off-brand cream-filled cookies are fine and cheaperCookie dough: Swap in gluten-free dough if needed—no other changes
- Brownie mix: Pick “fudge” over “cake” for gooey centers; any brand works
- Oreos: Off-brand cream-filled cookies are fine and cheaper
- Cookie dough: Swap in gluten-free dough if needed—no other changes
Full measurements are in the recipe card below.
Instructions
Preheat & Line: Heat oven to 350 °F. Line a 9×13-inch pan with parchment so it overhangs two sides for easy lift-out.
Cookie Layer: Press cookie dough into an even layer on the bottom—flour your fingers to prevent sticking.
Oreo Layer: Arrange Oreos in neat rows, touching but not overlapping; 4 across, 6 down.
Expert Tips for Mouthwatering Slutty Brownies You Must Try (Easy Homemade Dessert)
- Use parchment handles—cleanup is 30 seconds
- Chill the pan 20 min before slicing for picture-perfect squares
- Swap half the Oreos for peanut-butter cups for a new twist
Mouthwatering Slutty Brownies You Must Try (Easy Homemade Dessert)
Mouthwatering Slutty Brownies You Must Try: 40-minute cookie-oreo-brownie layers baked in one pan. Kid-approved, beginner-friendly, pantry-staple dessert.
★★★★½ 4.5 (118 reviews)
Ingredients
Main Ingredients
- 1 roll (16.5 oz) refrigerated chocolate-chip cookie dough
- 24 Oreo cookies (regular, not Double-Stuf)
- 1 box (18.3 oz) fudge brownie mix
- 2 large eggs (as box directs)
- 1/3 cup vegetable oil (as box directs)
- 3 tbsp water (as box directs)
Optional Toppings
- 1/4 cup mini chocolate chips
- Vanilla ice cream for serving
Instructions
How to Make Mouthwatering Slutty Brownies You Must Try
- Preheat & Line: Heat oven to 350 °F. Line a 9×13-inch pan with parchment so it overhangs two sides for easy lift-out.
- Cookie Layer: Press cookie dough into an even layer on the bottom—flour your fingers to prevent sticking.
- Oreo Layer: Arrange Oreos in neat rows, touching but not overlapping; 4 across, 6 down.
- Brownie Layer: Stir brownie mix with eggs, oil, and water just until combined; pour over Oreos and spread gently to cover.
- Bake: 25–28 min, until the center jiggles only slightly. Cool 1 hour before slicing for clean cuts.
Nutrition
Calories: 210 kcal | Protein: 2 g
Storage
- Fridge: up to 3 days
- Freezer: not recommended
- Reheat: best fresh
FAQs
Can I make Mouthwatering Slutty Brownies You Must Try ahead of time?
Yes—bake, cool, and refrigerate up to 3 days or freeze up to 2 months.
What’s the best substitute for Oreos?
Any cream-filled chocolate sandwich cookie; gluten-free versions work too.
How do I store leftovers?
Keep in an airtight container at room temp for 3 days or fridge for 7.
Why did my brownies turn out dry?
Over-baking is the culprit; pull when the center still jiggles slightly.