Brownies & Bars/ Chocolate/ Dessert

Slutty Brownies

May 31, 2018

These rich and decadent slutty brownies are made of three delicious layers: chewy chocolate chip cookie dough, soft Oreo cookies, and fudgy brownies. Every bite is heavenly!

Slutty Brownies

I don’t know why slutty brownies are called that way, but I like it anyway. If you haven’t tried a slutty brownie by now, then it’s about time you do, because they will make you really happy. Soft, chewy and fudgy layers of goodness. The perfect treat at any party.

Slutty Brownies

How to Make Slutty Brownies

Three layers sound like a lot of work, but these brownies are actually easy to prepare. First you need to make the chocolate chip cookie dough. You can use a stand mixer or hand mixer for this. Press the dough into the bottom of the pan, and bake for 8 minutes. Most recipes don’t bake the cookie dough first, but after testing it a few times, this is my favorite version, because that way the texture of the cookie dough and the brownies is just right – fudgy and soft, but not raw. Then, let it cool slightly on a wire rack for about 15 minutes until it’s firm to the touch, so it won’t collapse when you add the other layers on top. Next, add a single layer of Oreo cookies without overlapping them. Add the brownie batter on top of the cookies. Bake for 20-25 minutes. You’ll know it’s ready when a toothpick inserted into the center of the brownie layer comes out with a few moist crumbs. If it’s liquid – it’s not ready yet, and if it’s dry, it might be slightly overcooked.

Slutty Brownies

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5 from 5 votes
Slutty Brownies
Slutty Brownies Recipe
Prep Time: 30 mins
Cook Time: 33 mins
Total Time: 1 hr 3 mins
YIELD: 8 x8 inch pan (9-19 brownies)

Chocolate Chip Cookie Dough:
  • 1 cup (140 g) all-purpose flour
  • 1/2 teaspoon baking soda
  • 1/2 teaspoon salt
  • ½ cup (1 stick/113 g) unsalted butter, softened to room temperature
  • 1/2 cup (100 g) dark or light brown sugar
  • 1/2 cup (100 g) granulated sugar
  • 1 large egg
  • 1 teaspoon vanilla extract
  • 3/4 cup (130 g) bittersweet or semisweet chocolate chips
Oreo Layer:
  • 16 Oreo cookies
  • 3/4 cup (130 g) chopped bittersweet or semisweet chocolate
  • 6 tablespoons (85 g) unsalted butter, cut into cubes
  • 2 tablespoons (12 g) unsweetened cocoa powder
  • 3/4 cup (150 g) cup granulated sugar
  • 2 large eggs
  • 3/4 cup (105 g) all-purpose flour
  • 1/2 teaspoon salt
  1. Preheat oven to 350°F/180°C. Line a 9x9-inch (or 8x8-inch) baking pan with tin foil, leaving enough overhang on the sides for lifting the brownies out after baking.

  2. To make the cookie dough: In a medium bowl sift together flour, baking soda and salt. Set aside.

  3. In a mixer bowl fitted with the paddle attachment, beat butter, brown sugar, and granulated sugar on medium speed until light and fluffy, 3-4 minutes. Beat in egg and vanilla. Add flour mixture and mix just until combined. Do not overmix. Fold in chocolate chips.

  4. Layer the cookie dough on the bottom of prepared pan, pressing down to form an even layer. Bake for 8 minutes until just beginning to set. Allow to cool slightly on a wire rack. Meanwhile, prepare the brownie batter.

  5. To make the brownies: In a large heatproof bowl, place chocolate and butter. Heat in the microwave in 20-second intervals, stirring in between each interval, until melted (or set it over a saucepan of simmering water, stirring occasionally). Add cocoa powder and sugar and whisk until combined. Stir in eggs. Add flour and salt and fold, using a rubber spatula, just until combined. Set aside.

  6. Layer Oreos on top of the cookie dough in one layer. No need to overlap, it’s ok if there are gaps.
  7. Pour brownie batter slowly over the Oreos and smooth the top. Bake until a toothpick inserted into the center of the brownies come out with moist crumbs, 20-25 minutes. Let brownies cool completely on a wire rack, then refrigerate until set for easy cutting, at least 4 hours. Lift brownies out of the pan using tin foil and cut with a sharp knife into 16 squares. Store brownies at room temperature or in the fridge in an airtight container for up to 3 days.

Ultimate slutty brownies made of three layers of chewy chocolate chip cookies dough, soft Oreos, and fudgy brownies. Easy Recipe.

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  • Reply
    August 26, 2018 at 3:16 pm

    Have you ever tried making is in a cookie sheet? If so, how did you adjust the baking time?

    • Reply
      August 28, 2018 at 7:35 am

      Hi Shanelle, these brownies are quite thick so a rimmed cookie sheet will be too shallow for it.

    • Reply
      September 29, 2019 at 6:47 am

      Is it okay to use salted butter?

      • Reply
        December 31, 2019 at 9:40 pm

        Yes. The recipe will work the same.

  • Reply
    Emma Jacobsen
    August 31, 2018 at 12:26 am

    This was an amazing recipe! I loved how moist and delicious the brownies were 🙂
    I substituted peanut butter cups instead of Oreos, and increased the baking time for 5 minutes to do so. It tasted amazing! It does taste much better after being in the refrigerator for a couple hours. Thank you so much for this wonderful recipe- I would suggest this to anyone!

  • Reply
    Suzanne M Cox
    September 18, 2018 at 5:49 pm

    Have you ever doubled this recipe and used a 13×9 pan?

    • Reply
      September 20, 2018 at 6:21 am

      You can, the baking time will be a bit longer.

  • Reply
    September 2, 2019 at 6:45 pm

    These were super delicious and actually very easy to make!

  • Reply
    November 15, 2019 at 6:50 pm

    Hey question i have a 9×9 pan is that okay or how should i adjust the recipe? Plz help

  • Reply
    December 31, 2019 at 9:43 pm

    Hi! My brownies have been cooking for well over 30 min, and they are still really watery. What did I do wrong, or it supposed to be like that? I’m cooking them at 350, is that right?

    • Reply
      January 1, 2020 at 4:06 am

      Hi Valerie. Maybe the oven temperature wasn’t accurate or that it just takes slower to bake in your oven. Keep in mind that every time you open the oven door, there will be a slight drop in temperature.

  • Reply
    April 16, 2020 at 8:12 pm

    One of my favorite brownie recipes!

  • Reply
    kayleigh de sousa
    May 1, 2020 at 11:11 am

    Can self raising flour be used?

    • Reply
      May 5, 2020 at 6:19 am

      This type of flour contains baking powder, and it will make the brownies more cakey.

  • Reply
    May 1, 2020 at 11:28 am

    Very excited to try these. Just to be sure, no baking powder required???

    • Reply
      May 3, 2020 at 2:29 am

      There’s no baking powder in this recipe 🙂

  • Reply
    georgia kelly
    September 20, 2020 at 6:23 am

    This recipe was clear and very helpful!! I’m in the UK and the grams conversion saved me so much time and possibly wrong conversions. I think I should’ve cooked the cookies for slightly longer as they were slightly doughy in the middle of the final product- I couldn’t bake any longer or the brownies would have burned. The oreo cream made them even taste slightly marshmallow-llike!!

  • Reply
    May 4, 2021 at 2:08 pm

    I haven’t made these yet but I will. I personally think this is a great ratio of cookie layer to brownie layer!

  • Reply
    October 3, 2021 at 5:27 pm

    So, you have to make everything seperately and them put them together… I guess this is just unclear to me?

    • Reply
      Talia @ Pretty. Simple. Sweet.
      October 5, 2021 at 2:22 am

      Hi Kaylee, you have to bake the layers separately layered on top of each other to ensure everything is cooked through and separated. If you put three raw layers of dough or batter on top of each they would just sink into each other when baked and you wouldn’t have distinct layers:)

  • Reply
    July 2, 2022 at 12:48 pm

    These were amazing. I made it in a cake pan and then cut them like pie slices. For our daughter’s birthday we topped it with vanilla ice cream You can’t go wrong with this recipe.

    • Reply
      Talia @ Pretty. Simple. Sweet.
      July 3, 2022 at 10:41 am

      Thanks David! I’m so glad you enjoyed these. Happy birthday to your daughter :)!

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