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    Home » Dessert

    Oreo Blondies (Cookies & Cream Bars)

    Published: Apr 17, 2023 by Samantha Ensinger · 10 Comments

    Jump to Recipe Print Recipe
    angled photo of multiple oreo blondies sliced on a tray.

    These Oreo blondies are delicious cookies and cream bars perfect for any Oreo lover. With their soft, chewy texture and irresistible buttery, vanilla flavor, these easy-to-make blondie bars are a hit amongst kids and adults, and make a great party dessert!

    freshly cut oreo blondies on a gray tray lined with parchment paper, with extra oreo cookies around the scene.

    While brownies are delicious, blondies are just as good, if not better. With tons of crushed Oreos baked inside these bars and even more sprinkled on top, you get a chocolate fix while enjoying the buttery deliciousness of blondies at the same time.

    If you're torn between brownies and blondies, this brownie blondies recipe combines the best of both worlds. And for all the die-hard oreo lovers out there, you have to give these red velvet oreo cookies a try next!

    Jump to:
    • Why You'll Love These Blondies
    • Ingredients
    • Step-by-Step Instructions
    • Expert Baking Tips
    • Easy Blondie Variations
    • Frequently Asked Questions
    • Storing & Freezing
    • More Oreo & Brownie Recipes To Try
    • Recipe

    Why You'll Love These Blondies

    • Quick & Easy - With simple ingredients, this recipe is quick and easy to make.
    • Cookies & Cream Flavor - The blondies have a decadent cookies and cream flavor with lots of crushed Oreos baked inside and sprinkled on top.
    • Soft & Chewy - The edges of the blondie bars are perfectly golden and crispy, but the centers are soft, chewy, and moist for an enjoyable bite.

    Ingredients

    You only need 9 ingredients to make these blondies! You probably have most ingredients in your kitchen already, especially if you're an avid baker. Remember to see the recipe card at the bottom of the post for full ingredient info and quantities.

    all ingredients to make the blondies prepared in white bowls, shown from on a marble surface.
    • Flour - Properly measure flour by sprinkling it into the measuring cup and leveling the top with a knife. You can use normal all-purpose flour or a gluten-free all-purpose flour blend.
    • Baking Powder - This leavening agent creates a soft, fluffy rise in the blondies!
    • Salt - Tones down the sweetness of the blondies and enhances the taste nicely.
    • Butter - Use unsalted room temperature butter or soften it prior to mixing. Softened vegan stick butter also works well, for a dairy-free version.
    • Sugars - A mix of granulated sugar and brown sugar give these blondies incredible flavor and moisture.
    • Eggs - Helps bind the blondie batter together nicely. For a vegan version, try using two flax eggs instead.
    • Vanilla - Use pure vanilla extract for the best taste.
    • Oreo Cookies - I recommend regular Oreos or Double-Stuf Oreos, but really any variety works. Crush them into small chunks for mixing into the batter and sprinkling on top of the blondies.

    Step-by-Step Instructions

    These blondies are so easy to make! Here are step-by-step instructions for how to make cookies and cream Oreo blondies:

    STEP 1: Start by crushing the Oreos into bite-size chunks. Don't crush them too much into a crumble, or they will blend into the batter too much and you won't get those delicious, chocolate bites of Oreo cookies throughout the blondies. You can break the Oreos apart with your hands or crush them in a sealed Ziploc bag.

    whisking the dry ingredients together in a bowl.

    STEP 2: In a medium-sized bowl, whisk together the flour, baking powder, and salt until evenly combined. Then, set it aside for later.

    softened butter, brown sugar, and granulated sugar shown from above in a mixing bowl.

    STEP 3: In a separate large bowl, use an electric hand mixer (or stand mixer) to beat the softened butter with the granulated sugar and brown sugar until light and fluffy. This takes 1-2 minutes.

    egg and vanilla extract added to the bowl with the blondie batter.

    STEP 4: Add the eggs and vanilla extract to the bowl, and mix on low-medium speed until smooth and fully combined. Scrape the sides of the bowl as necessary.

    dry ingredients added to the mixed bowl of blondie batter.

    STEP 5: Next, add the dry ingredients and mix on the lowest speed until a thick batter forms. Do not over-mix! Some flour specks are okay and expected.

    crushed oreos added to the blondie batter mixture.

    STEP 6: Use a rubber spatula to gently fold the chopped Oreo cookies into the blondie batter. Leave some aside for topping the brownies, or you can crush up extra Oreos if you have them.

    a square pan full of oreo blondie batter before baking, with extra crushed oreos on top the batter.

    STEP 7: Transfer the blondie batter to an 8x8-inch baking pan with parchment paper hanging over the edges. Smooth the batter evenly into the pan and add extra crushed Oreos on top.

    STEP 8: Bake the Oreo blondies for 30-40 minutes, or until the edges are golden and the center is set. A toothpick in the middle of the pan should come out with moist crumbs, but not wet batter.

    After removing the blondies from the oven, allow them to cool completely in the pan (at least 30-60 minutes) before slicing them into squares or rectangular bars.

    angled view of multiple cookies and cream oreo blondies after baking, with oreo chunks baked into the top.

    TIP: Make sure you don't over-bake the blondies! For a moist and soft texture, it's important to err on the side of under-baking, since they will continue to set up as they cool in the pan.

    Expert Baking Tips

    • Use parchment paper - To make sure the blondies don't stick to the pan, line it with parchment paper and leave some hanging over the edges of the pan so you can easily lift the blondies out after the bake.
    • Properly measure flour - To avoid dry and tough blondies, it is critical to properly measure the flour. Sprinkle flour into the measuring cup and level off the top with the straight edge of a knife.
    • Don't over-mix - The more you mix the batter, the tougher and denser the blondies will become. Don't overdo it!
    • Use Double-Stuf Oreos - For extra cookies and cream flavor, Double-Stuf Oreos are perfect! The extra Oreo creme filling tastes amazing throughout the blondies.
    a stack of three thick and fluffy cookies and cream oreo blondies, with oreo cookies shown inside the bars.

    Easy Blondie Variations

    These blondies are easy to make dietary-friendly. Here are some variations to try!

    • Gluten-free - Use gluten-free Oreos and a gluten-free all-purpose flour blend and these blondies easily become gluten-free.
    • Dairy-free - Use vegan stick butter, like Earth Balance or similar, and you're all set. Oreos do not contain dairy!
    • Vegan - Replace the eggs with two flax eggs and use vegan butter instead. If you choose to use alternative vegan sugars, I recommend using coconut sugar to replace brown sugar and organic cane sugar for granulated sugar.
    • Golden Oreo blondies- For a super delicious buttery vanilla taste, use golden Oreos instead. I think they pair perfectly with the blondies!

    For a homemade oreo cookie that is completely vegan, try making these vegan oreos! Or for a festive brownie recipe, these cadbury mini egg brownies are a fun choice.

    overhead photo of freshly baked oreo blondies on a gray tray.

    Frequently Asked Questions

    What makes a blondie different from a brownie?

    Brownies are made with chocolate and cocoa powder, but blondies are made with brown sugar and vanilla instead. This gives them delicious flavors of butterscotch, vanilla, and subtle caramel, unlike chocolate brownies.

    Are blondies meant to be gooey in the middle?

    Depending on the recipe, blondies can be cakey or gooey in the middle. Generally, blondies have a slightly crispy top and a soft, chewy center.

    What is the difference between a blondie and a cookie bar?

    Blondies are like the vanilla version of brownies and have a soft, chewy texture. Cookie bars usually have a more dry and crumbly texture, like a cookie in a bar shape.

    Can I make Oreo blondies with cake mix?

    Yes! To make Oreo blondies with cake mix, just mix 1 box of vanilla cake mix with 1 stick of melted butter and 2 eggs. Fold in the chopped Oreos like normal and bake at 350℉ for 20-30 minutes.

    two oreo blondies stacked on top of each other and shown from the side, with oreo cookies baked inside.

    Storing & Freezing

    To keep the Oreo blondies fresh and soft, store leftover cookies and cream bars in an airtight container at room temperature for 5-7 days. They taste great all week and I love enjoying them with vanilla ice cream!

    For longer storage, you can freeze the blondies. Wrap each blondie bar in plastic wrap and place them in an airtight, freezer-safe container. They store frozen for up to three months. Allow them to thaw at room temperature before enjoying them again.

    More Oreo & Brownie Recipes To Try

    • multiple oreo red velvet cookies shown from above with chunks of oreos baked into the tops of the cookies.
      Crushed Oreo Red Velvet Cookies
    • a stack of vegan oreos
      Vegan Oreos
    • four brownie blondies turned on their side, showing the chocolate blondie swirl of the bars.
      Brownie Blondies (Gluten-Free)
    • a stack of three fudgy red velvet cake mix brownies on a tray.
      Fudgy Red Velvet Cake Mix Brownies (Easy!)

    Did you make these cookies and cream oreo blondies? Please leave a star rating and review below. This really supports my blog and helps other readers. If you post a photo of your blondies on Instagram and tag me, I'd love to share it! To stay updated with the newest recipes, remember to join my email list and follow me on Pinterest. Happy baking!

    Recipe

    a thick stack of cookies and cream oreo blondies shown from the side, with lots of oreos baked inside.

    Oreo Blondies (Cookies & Cream Bars)

    Samantha Ensinger
    These easy Oreo blondies are delicious cookies and cream bars that any Oreo lover will enjoy. They are super thick, soft, and chewy, with tons of crushed Oreos baked inside and on top! With their delicious buttery vanilla taste, these blondies make an excellent dessert for any party.
    5 from 5 votes
    Print Recipe Pin Recipe
    Prep Time 10 minutes mins
    Cook Time 35 minutes mins
    Total Time 45 minutes mins
    Course Dessert
    Cuisine American
    Servings 16 blondie bars
    Calories 278 kcal

    Equipment

    • 2 Mixing Bowls
    • 1 Electric Hand Mixer or Stand Mixer
    • 1 8x8-inch Baking Pan lined with parchment paper
    • 1 Whisk

    Ingredients
      

    • 1 ⅓ cups all-purpose flour (or gluten-free flour blend)*
    • ¼ teaspoon baking powder
    • ½ teaspoon salt
    • ¾ cup unsalted butter, softened (or vegan butter)*
    • 1 cup granulated sugar
    • ¼ cup brown sugar
    • 2 large eggs (or flax eggs)*
    • 2 teaspoons pure vanilla extract
    • 20 oreo cookies, chopped plus extra for topping

    Instructions
     

    • Preheat the oven to 350℉ and line an 8x8-inch (or 9x9") baking pan with parchment paper. Leave some parchment hanging over the sides of the pan for easy blondie removal later. Set aside.
    • Gather about 20 Oreo cookies and chop them into bite-sized chunks. Make sure they are not too small, or they will blend too much into the batter and you won't get those delicious big chunks of Oreo to enjoy. You can break them up with your hands, or add them to a sealed Ziploc bag and crush them with something heavy, like a rolling pin or soup can.
      20 oreo cookies, chopped
    • In a medium mixing bowl, whisk together the flour, baking powder, and salt until evenly combined. Set aside.
      1 ⅓ cups all-purpose flour, ¼ teaspoon baking powder, ½ teaspoon salt
    • Using a stand mixer or large mixing bowl with an electric hand mixer, beat together the softened butter, granulated sugar, and brown sugar until smooth and fluffy. This takes about 1-2 minutes.
      ¾ cup unsalted butter, softened, 1 cup granulated sugar, ¼ cup brown sugar
    • Add the eggs and vanilla extract and mix on low-medium speed until thoroughly combined.
      2 large eggs, 2 teaspoons pure vanilla extract
    • Next, add the dry ingredients to the bowl and mix on the lowest speed until just barely combined into the batter. It will be thick, and some flour specks are okay! Do not over-mix.
    • Gently fold in the chopped Oreos using a rubber spatula until they are evenly distributed throughout the blondie batter. Be careful not to crush the Oreo cookies too much as you mix.
      20 oreo cookies, chopped
    • Transfer the blondie batter to the prepared baking pan, and use a rubber spatula to smooth it evenly into the edges of the pan. Press extra crushed Oreo chunks into the top of the batter before baking.
    • Bake the blondies for 30-40 minutes or until the edges are lightly golden brown and the center is set. A toothpick inserted in the center should come out with moist crumbs, but not wet batter.
    • Remove the blondies from the oven and allow them to cool in the pan for at least 30-60 minutes before slicing them into 12-16 squares. Enjoy!

    Notes

    Storage: Store leftover Oreo blondies in an airtight container at room temperature for 5-7 days. For longer storage, wrap each blondie tightly in plastic wrap and place them in an airtight container in the freezer. They freeze well for up to 2-3 months. Remember to thaw them before enjoying them again.
    *Gluten-Free: Use certified gluten-free Oreos and replace all-purpose flour with a gluten-free measure-for-measure flour blend. Be sure the gluten-free flour contains xanthan gum. The blondies turn out just as well when you make them gluten-free!
    *Dairy-Free: Use vegan stick butter, like Earth Balance or similar, and these blondies become dairy-free. Oreos do not contain dairy.
    *Vegan: Use vegan butter and try replacing the eggs with two flax eggs (or another egg substitute that has worked for you previously). The blondies may not be as fluffy, but they should still come out well and taste delicious. For vegan sugar options, use coconut sugar instead of brown sugar and organic cane sugar instead of granulated. 
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    Reader Interactions

    Comments

    1. Autumn says

      April 17, 2023 at 10:18 am

      5 stars
      Okay, these blondies are seriously one of the best desserts I've ever made. Literally! I'm usually a brownie lover but these blondies will convert you to the other side lol! They are so thick, but soft to bite into, and the crunchy bites of chocolate oreos are just so insanely good. I made them with vegan butter and you would never know they are dairy-free. The textures and flavors are perfect together! I am going to make these again next week because they will be gone so fast. Thank you for this recipe!! I am extremely impressed.

      Reply
      • Samantha Ensinger says

        April 17, 2023 at 10:21 am

        Hi Autumn,
        Your words are such a compliment to the recipe! Thank you so much for leaving a review. I'm glad they turned out well with vegan butter and I have to agree with you, the texture and flavor of these buttery blondies are perfect with the bites of Oreos throughout. Enjoy!!

        Reply
    2. Marley says

      April 17, 2023 at 10:22 am

      5 stars
      These oreo blondies are amazing!!! Super easy to make and the whole family loved them. Thanks for this recipe!

      Reply
      • Samantha Ensinger says

        April 17, 2023 at 12:29 pm

        Hi Marley!
        Thanks for making the blondies. I am so happy your family loves them so much! Enjoy them!

        Reply
    3. Cindy says

      April 17, 2023 at 7:34 pm

      5 stars
      So delicious! I absolutely love the combination of Oreos with buttery blondies!

      Reply
      • Samantha Ensinger says

        April 18, 2023 at 11:12 am

        Hi Cindy,
        I'm so happy you are enjoying the blondies! I agree, the chocolate Oreos and vanilla blondie flavors are amazing together. Thanks for making the recipe!

        Reply
    4. Jacqui says

      April 17, 2023 at 10:19 pm

      5 stars
      I made these with the suggested flax egg substitute and they turned out wonderful! Thanks for the delicious recipe

      Reply
      • Samantha Ensinger says

        April 18, 2023 at 11:12 am

        Hi Jacqui,
        Great! I am so glad the blondies turned out well with flax eggs. Thank you for leaving a review! I hope you enjoy them and make them again soon.

        Reply
    5. Choclette says

      April 18, 2023 at 10:43 am

      5 stars
      Love the layering and visuals on these Oreo blondies. Can't wait to try them.

      Reply
      • Samantha Ensinger says

        April 18, 2023 at 11:13 am

        Hi Choclette,
        Thank you! You won't regret making this delicious recipe. The blondies taste incredible with oreos inside! Enjoy!

        Reply

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