Irresistible Cake Mix Oreo Cookies: Your Ultimate Guide to Easy Homemade Treats
Imagine the delightful crunch of a classic Oreo cookie, but with an even chewier, richer chocolate cookie exterior and a luscious, homemade creamy filling that melts in your mouth. These Cake Mix Oreo Cookies offer exactly that – a perfect harmony of convenience and gourmet taste, making them an instant favorite for all ages. They are incredibly easy to make, leveraging the simplicity of a boxed cake mix to deliver a decadent dessert that looks impressive but requires minimal effort. Whether you’re a seasoned baker or just starting, this recipe is designed for effortless success, resulting in perfectly chewy, intensely chocolatey cookies paired with a smooth, flavorful frosting.
I first whipped up a batch of these for my youth group, and they were an absolute sensation! The concept of “homemade Oreos” instantly captivated the kids, but I quickly discovered that these delightful sandwich cookies are equally cherished and approved by adults. They’re ideal for parties, bake sales, holiday gatherings, or simply as a special treat to brighten any day. Get ready to impress your friends and family with these surprisingly simple yet utterly delicious Cake Mix Oreo Cookies.

The Secret to Success: Simple Ingredients for Your Cake Mix Oreo Cookies
The beauty of this recipe lies in its straightforward ingredient list. By utilizing a common pantry staple like chocolate cake mix, we streamline the baking process significantly, eliminating the need to measure multiple dry ingredients. Each component plays a vital role in creating the signature chewy cookie and the rich, creamy filling.
The Foundation: Chocolate Cake Mix
The star of our cookie dough is a humble box of chocolate cake mix. This ingredient is a true shortcut hero, as it comes pre-portioned with all the essential dry ingredients – flour, sugar, cocoa powder, leavening agents, and salt. This means you skip the measuring and sifting, saving precious time and effort. You have the freedom to choose your favorite type of chocolate cake mix: milk chocolate will yield a sweeter, milder flavor; dark chocolate or devil’s food will give a deeper, more intense chocolate experience. Any variety will work wonderfully to create the perfectly flavored and structured cookie base for our homemade Oreos. Just ensure it’s a standard-sized box, typically around 15.25 ounces (432g).
Eggs: The Binding and Chewy Element
Eggs are crucial in this recipe, serving multiple purposes. They act as a powerful binding agent, holding the dough together and preventing the cookies from crumbling. More importantly, eggs contribute significantly to the desired chewy texture of these cookies. They also add a touch of moisture and richness, ensuring that each bite is perfectly tender and satisfying.
Oil: For Ultimate Softness and Moisture
To achieve cookies that remain incredibly soft and moist days after baking, we incorporate oil into the dough. I personally prefer using avocado oil due to its neutral flavor profile, which ensures it doesn’t impart any unwanted tastes to your chocolate cookies. However, common vegetable oil or canola oil can be used as excellent substitutes if that’s what you have readily available. The oil helps create a tender crumb and a delightful mouthfeel, mimicking the beloved texture of store-bought Oreos.
A Touch of Flour: Perfecting the Texture
While the cake mix provides the bulk of our dry ingredients, a small addition of all-purpose flour is key to perfecting the texture of these cookies. Cake mixes are formulated to produce light and airy cakes, which can sometimes result in cookies that spread too much or are too delicate for sandwiching. A quarter cup of extra flour helps to firm up the dough just enough, creating a sturdier, chewier cookie that holds its shape beautifully and is robust enough to form the perfect Oreo sandwich. This small tweak makes a big difference in achieving that ideal cookie consistency.

Crafting the Silky Smooth Oreo-Style Frosting
No Oreo is complete without its signature creamy white filling. Our homemade frosting is simple to prepare and provides the perfect sweet, smooth contrast to the rich chocolate cookies. It’s wonderfully luscious and brings the whole cookie together.
Salted Butter: The Flavor Enhancer
For the frosting, I highly recommend using salted butter. While unsalted butter is often preferred in baking, the hint of salt in salted butter actually enhances the overall flavor of the frosting, balancing the sweetness of the powdered sugar. This subtle salinity prevents the frosting from tasting overly sweet and adds a depth that makes it truly irresistible. Ensure your butter is softened to room temperature for the best results; this makes it much easier to cream into a smooth, fluffy consistency.
Powdered Sugar: The Key to Creaminess
Powdered sugar, also known as confectioners’ sugar or icing sugar, is absolutely essential for achieving the smooth, velvety texture of this frosting. It’s crucial to understand that powdered sugar cannot be substituted with regular granulated sugar, as granulated sugar crystals will not dissolve properly and will result in a grainy, unpleasant frosting. The superfine texture of powdered sugar allows it to blend seamlessly with the butter and vanilla, creating a frosting that is light, airy, and free of lumps. For an extra silky frosting, consider sifting your powdered sugar before adding it to the butter.
Vanilla Extract: The Classic Flavor Boost
A good quality vanilla extract is non-negotiable for this frosting. It enhances all the other flavors, adding a warm, aromatic note that is characteristic of classic cream fillings. Don’t skip this ingredient! If you’re feeling adventurous, you could also experiment with other extracts like almond for a slightly nutty undertone, peppermint for a festive twist, or coconut for a tropical flair, depending on your desired flavor profile.

Step-by-Step Guide: How to Bake and Assemble Your Homemade Oreo Cookies
Making these Cake Mix Oreo Cookies is a straightforward process that’s perfect for bakers of all skill levels, even a fun activity to enjoy with kids. Follow these simple steps for delicious results.
Preparing the Perfect Cookie Shells
Begin by preheating your oven to 350°F (175°C) and lining a baking sheet with parchment paper to prevent sticking and ensure even baking. In a large mixing bowl, combine the chocolate cake mix, eggs, and oil. Mix these ingredients thoroughly until just combined. The mixture will be notably sticky and might not resemble traditional cookie dough; this is perfectly normal and expected for cake mix-based cookies. Do not be tempted to add more flour at this stage, as it can dry out the cookies. Once the initial ingredients are mixed, gently fold in the additional 1/4 cup of all-purpose flour. This extra flour helps to give the cookies a better structure for sandwiching.
Once your dough is ready, use a tablespoon-sized cookie scoop or measuring spoon to portion out the dough. Gently roll each portion into a smooth, uniform ball. This step is important for consistent baking and an appealing final product. Place the cookie balls on your prepared baking sheet, leaving about 2 inches between each to allow for spreading. Bake for approximately 8 minutes, or until the edges are set and lightly firm, but the centers still look soft. Be careful not to overbake, as this can lead to dry or hard cookies; the key to a chewy texture is to remove them from the oven when they are just set. Allow the cookies to cool on the baking sheet for a few minutes before transferring them to a wire rack to cool completely. They must be entirely cool before frosting.

Mastering the Creamy Filling
While your cookies are cooling, it’s time to prepare the star frosting. In a medium bowl, combine the softened salted butter, powdered sugar, and vanilla extract. Using an electric mixer (handheld or stand mixer), begin whisking on low speed until the ingredients start to come together. Gradually increase the speed to medium-high and beat vigorously for 2-3 minutes until the frosting is incredibly smooth, light, and fluffy. It should be easy to spread yet firm enough to hold its shape when sandwiched between two cookies. If the frosting seems too stiff, you can add a tiny splash (half a teaspoon at a time) of milk or cream until it reaches your desired consistency. If it’s too thin, add a bit more powdered sugar.
Assembling Your Delicious Cake Mix Oreo Cookies
Once both your cookies and frosting are completely cool, it’s time for the exciting assembly process. Take one cooled chocolate cookie and carefully spread a generous amount of your homemade vanilla frosting onto its flat side. Don’t be shy with the filling – that’s what makes these cookies so delightful! Next, gently place another cookie on top, flat side down, creating a perfect sandwich. Press down lightly to adhere the two cookies and distribute the frosting evenly to the edges. Repeat this process with the remaining cookies and frosting until all your delightful Cake Mix Oreo Cookies are complete. Arrange them on a platter and watch them disappear!

Pro Tips for Cake Mix Oreo Cookie Perfection
- Don’t Overmix the Dough: Once the ingredients are just combined, stop mixing. Overmixing can develop the gluten in the flour, leading to tougher cookies.
- Scoop Consistently: Use a cookie scoop to ensure all your cookies are roughly the same size. This helps them bake evenly and makes for neater sandwiching.
- Mind the Baking Time: Cake mix cookies bake quickly. Keep a close eye on them and remove them from the oven when they are just set, even if the centers seem slightly soft. They will continue to set as they cool, ensuring a wonderfully chewy texture.
- Completely Cool Cookies: It’s critical that the cookies are fully cooled before you apply the frosting. Warm cookies will cause the frosting to melt and slide off, creating a messy situation.
- Sift Your Powdered Sugar: For the smoothest, lump-free frosting, consider sifting your powdered sugar before adding it to the butter. This extra step ensures a truly professional texture.
Creative Variations and Flavor Combinations
While the classic chocolate cookie with vanilla cream is undeniably delicious, these Cake Mix Oreo Cookies are incredibly versatile! Feel free to experiment with different cake mix flavors and frosting combinations to create your own unique sandwich cookies:
- Red Velvet Oreo Cookies: Use a red velvet cake mix for the cookies and pair it with a tangy cream cheese frosting for an elegant twist.
- Peanut Butter Bliss: Incorporate 2-3 tablespoons of creamy peanut butter into your vanilla frosting for a rich peanut butter filling.
- Mint Chocolate Dream: Add a few drops of peppermint extract to the frosting for a refreshing mint flavor, perfect for holiday seasons or a cool treat.
- Funfetti Celebration: Use a yellow or vanilla cake mix with sprinkles for the cookies, and add more sprinkles into the frosting for a festive, colorful cookie.
- Coffee Lover’s Treat: Add a teaspoon of instant espresso powder to your frosting for a subtle coffee flavor that beautifully complements the chocolate cookies.
Storage and Make-Ahead Instructions
These Cake Mix Oreo Cookies are best enjoyed within a few days of baking, but they can be stored and even frozen for longer enjoyment.
- Room Temperature: Store assembled cookies in an airtight container at room temperature for up to 3-4 days. Placing a piece of parchment paper between layers can prevent sticking.
- Refrigerator: For extended freshness, especially in warmer climates, you can store the cookies in an airtight container in the refrigerator for up to a week. Let them come to room temperature for about 15-20 minutes before serving for the best texture.
- Freezing Baked Cookies: Fully baked and assembled cookies can be frozen. Place them in a single layer on a baking sheet to flash freeze for about an hour, then transfer them to a freezer-safe airtight container or bag. They will keep for up to 2-3 months. Thaw at room temperature for a few hours before serving.
- Freezing Dough: You can also prepare the cookie dough ahead of time and freeze it. Roll the dough into balls, then freeze on a baking sheet. Once frozen solid, transfer to a freezer-safe bag for up to 3 months. When ready to bake, place frozen dough balls on a baking sheet and add 1-2 minutes to the baking time.
Frequently Asked Questions (FAQs) About Cake Mix Oreo Cookies
Can I use a different flavor cake mix?
Absolutely! This recipe is incredibly adaptable. While chocolate is classic, feel free to experiment with other cake mix flavors like yellow, vanilla, red velvet, or even strawberry. Just keep in mind that the flavor profile will change, and you might want to adjust the frosting flavor to match.
Why is my cookie dough so sticky?
It’s completely normal for cake mix cookie dough to be quite sticky, especially before the addition of the extra flour. Cake mixes are designed for a wetter batter. The stickiness helps create the chewy texture. If it’s too sticky to roll comfortably, you can chill the dough in the refrigerator for 15-20 minutes, which can make it easier to handle.
How can I make the frosting less sweet?
The addition of salted butter helps balance the sweetness. You can also try adding a pinch more salt to the frosting, or a touch of lemon juice or cream of tartar to cut through the sweetness. Ensure you’re using pure vanilla extract, as artificial flavors can sometimes taste sweeter.
Do these taste exactly like store-bought Oreos?
These homemade Cake Mix Oreo Cookies capture the essence of store-bought Oreos with their crunchy-chewy chocolate cookie and creamy filling, but they often have a richer, more “homemade” flavor and a softer, chewier texture. Many people find them even more delicious!
Can I make these ahead of time?
Yes, absolutely! The cookies can be baked a day or two in advance and stored in an airtight container. The frosting can also be made a day in advance and stored in the refrigerator; just whip it again briefly before assembling. For longer storage, refer to the freezing instructions above.
Explore More Irresistible Cookie Recipes
As a huge fan of cookies, my kitchen is always buzzing with new and classic cookie creations. If you loved these Cake Mix Oreo Cookies, I encourage you to delve into some of my other cherished recipes. Each one is a tested favorite, designed to bring joy and deliciousness to your table:
Incredibly Soft Chocolate Chip Cookies: Prepare to discover the softest, most tender chocolate chip cookies you will ever encounter. This recipe is consistently one of the most popular on my blog for a reason – it delivers pure, melt-in-your-mouth perfection every time!
No Chill Sugar Cookies: A true staple for any holiday celebration or spontaneous baking craving! These sugar cookies are exceptionally easy to make and require no chilling time, meaning you can go from mixing bowl to baked cookies in a flash.
Browned Butter Sourdough Chocolate Chip Cookies: This recipe offers a unique and incredibly flavorful take on a timeless classic. I’ve received countless messages from delighted bakers who claim these are simply the best cookies they’ve ever tasted, thanks to the depth of browned butter and the subtle tang of sourdough.
Happy Baking and Enjoy!
I genuinely hope you adore this recipe for Cake Mix Oreo Cookies as much as I do. They are a delightful testament to how easy and rewarding homemade treats can be. If you’re keen to follow along with my latest cooking adventures, be sure to connect with me on Instagram@AMBERSKITCHEN. Happy baking, and enjoy every single delicious bite!

Cake Mix Oreo Cookies
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Ingredients
Cookies
- 1 box chocolate cake mix
- 2 eggs
- 1/2 cup oil
- 1/4 cup all-purpose flour
Frosting
- 1/2 cup salted butter (1 stick, softened)
- 1.5 cups powdered sugar
- 1 teaspoon vanilla extract
Instructions
- Preheat your oven to 350°F (175°C). Line a baking sheet with parchment paper.
- In a large bowl, combine the chocolate cake mix, eggs, and oil. Mix until just combined. Fold in the 1/4 cup of all-purpose flour. The mixture will be sticky, which is normal.
- Scoop the dough into 1 tablespoon-sized balls and roll gently until smooth. Place on the prepared baking sheet. Bake for about 8 minutes, or until the edges are set and the centers are still soft. Do not overbake. Let cool on a wire rack completely.
- To make the frosting, whisk together the softened salted butter, powdered sugar, and vanilla extract using an electric mixer until smooth, light, and fluffy.
- Once cookies are fully cooled, spread a generous amount of frosting onto the flat side of one cookie. Place another cookie on top, flat side down, to create an Oreo sandwich. Repeat with remaining cookies.
- This recipe makes approximately 12 delightful Oreo-style sandwich cookies, or about 24 single cookies if preferred.
