Crumbl Cookies is releasing a special treat called the Mallow Sandwich Cookie ft. OREO at Crumbl Cookies, available only from August 4 to 9, 2025. This dessert is also known as the Oreo Mallow Sandwich Cookie. It has two big, soft chocolate cookies with Oreo pieces, and in the middle is a thick marshmallow cream with brownie chunks. Because of its big size, rich taste, and short availability, it quickly becomes a favorite and often sells out fast. In this guide, you’ll learn all about this cookie what it’s made of, its background, nutrition facts, and when you can get it.
What is the Mallow Sandwich ft Oreo Cookie?
The Mallow Sandwich Cookie is a special treat from Crumbl Cookies. It’s made like a sandwich with two big chocolate cookies that have Oreo pieces mixed in. Between the cookies, there’s a thick layer of soft marshmallow cream with small brownie pieces. The cookies are rich and full of chocolate flavor, while the filling is light and fluffy. Together, they create a fun mix of textures and tastes. Every bite is sweet, creamy, and full of chocolate, making it a delicious and eye-catching dessert.
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Key Features of the Cookie
- Cookies: Soft chocolate cookies with crushed Oreo pieces that add extra taste and crunch.
- Filling: Light and fluffy marshmallow cream mixed with brownie chunks, making the center rich and creamy.
- Size: Big enough for 3.5 to 6.5 servings according to Crumbl, but many people eat it all by themselves.
- Flavor: A tasty mix of classic Oreo flavor, sweet marshmallow, and rich brownie.
Why is the Mallow Sandwich Cookie ft. OREO So Popular?
The Mallow Sandwich with Oreo Cookie is very popular for a few simple reasons. It’s big enough to share, but it tastes so good that many people want to eat it all by themselves. It mixes the well-known Oreo flavor with marshmallow and brownie pieces, which many people love. Crumbl only sells it sometimes, so people get excited when it comes back. Social media, like TikTok and Reddit, helps spread the word, with fans posting pictures and good reviews. One person said it was “the ultimate cookie,” and another said they waited in a long line just to buy it. Some fans even drive for hours to get one when it’s a surprise item at certain stores.
Factors Driving Popularity
- Unique Flavor: Combines beloved Oreo taste with marshmallow and brownie elements.
- Exclusivity: Limited availability due to Crumbl’s rotating menu creates urgency.
- Social Media Buzz: Hashtags and fan posts on platforms like TikTok fuel its fame.
- Generous Size: Offers a substantial, indulgent experience that feels special.
History and Impact on Crumbl Cookies
In June 2021, Crumbl Cookies released the Mallow Sandwich with Oreo Cookie. It was their first sandwich-style cookie and came out right before the July 4th weekend. It became very popular and sold out in many stores. At that time, Crumbl had about 300 locations (now over 1,100 in 2025). The success of this cookie showed that Crumbl could be creative with new cookie ideas. Because of it, Crumbl started making more sandwich-style cookies, like the Cereal Milk Sandwich with Fruity Pebbles and the Oatmeal Mallow Sandwich. The Mallow Sandwich with Oreo Cookie is still a fan favorite and helped change how Crumbl creates desserts.
Milestones in Its History
- Debut: June 28 – July 3, 2021, as Crumbl’s first sandwich cookie and again available only from August 4 to 9, 2025.
- Viral Success: Sold out rapidly, boosting Crumbl’s popularity.
- Influence: Paved the way for other sandwich-style cookies in Crumbl’s lineup.
Nutritional Information
If you care about what you eat, it’s important to know what’s in the Mallow Sandwich with Oreo Cookie. One cookie has about 730 calories, so it’s a big treat. Here’s more information about its nutrition:
| Nutrient | Amount per Cookie |
|---|---|
| Calories | 730 kcal |
| Total Fat | 34g |
| Saturated Fat | 17g |
| Trans Fat | 0g |
| Cholesterol | 107mg |
| Sodium | 629mg |
| Total Carbohydrates | 101g |
| Dietary Fiber | 0g |
| Sugars | 45g |
| Protein | 11g |
Tips for Enjoying in Moderation
- Share It: Split the cookie with friends or family to reduce calorie intake.
- Savor Slowly: Take small bites to fully appreciate the flavors without overindulging.
- Pair Wisely: Enjoy with a low-calorie beverage like water or black coffee to balance the meal.
Availability and Recent Updates
The Mallow Sandwich with Oreo Cookie is not always on the menu, which makes it extra special. It has been a surprise cookie before, and some fans have even traveled far to try it. Now, Crumbl says a secret sandwich cookie will be sold at all stores from September 1 to 5, 2025. It might be the Mallow Sandwich with Oreo. Since each Crumbl store has a different menu, fans should check with their local store to see if it’s available. Crumbl often offers cookies for a short time to keep things fun, and many people will be excited if this cookie comes back.
Upcoming Availability
- Date: September 1-5, 2025
- Details: Part of a secret Sandwich Cookie offering at all Crumbl locations
- Recommendation: Contact your local store or follow Crumbl’s social media for updates
Copycat Recipes and Fan Engagement
The Mallow Sandwich Cookie ft. OREO has become so popular that many people are trying to make their own versions at home. Baking fans share easy recipes on blogs and social media, with websites like BabyGizmo.com giving step-by-step instructions. These homemade cookies usually have a chocolate cookie base with crushed Oreos, a marshmallow center, and brownie bits. The ingredients, like butter, flour, cocoa powder, and marshmallow fluff, are easy to find. This do-it-yourself trend has created a fun community of Crumbl cookie lovers who share tips and photos of their cookies, making the treat even more famous.
Sample Copycat Recipe Overview
| Component | Ingredients |
|---|---|
| Cookies | Butter, brown sugar, sugar, egg, vanilla, dark cocoa powder, flour, Oreo crumbs, baking soda, salt |
| Filling | Marshmallow fluff, powdered sugar, butter, vanilla, crushed Oreos |
| Prep Time | 20 minutes |
| Cook Time | 10 minutes |
| Assembly Time | 10 minutes |
| Total Time | 40 minutes |
| Servings | 18 mini cookies (282 kcal each) |
Fan Reviews and Testimonials
The Mallow Sandwich with Oreo Cookie has become very popular on Reddit and TikTok. One person on Reddit said they drove two hours to get the cookie and thought it was totally worth it. A TikTok video showed someone getting emotional after getting the cookie as a gift, showing how much fans love it. Some people don’t like the marshmallow filling, but most say the cookie tastes great and has a good texture. Many even say it’s their favorite Crumbl cookie. These stories show that the cookie is very special to a lot of people.
Notable Fan Feedback
- Positive: “The best cookie I’ve ever had from Crumbl!” – TikTok user
- Emotional: “I cried when I got this as a gift!” – TikTok video
- Critical: Some find the marshmallow filling less appealing but still enjoy the cookie overall.
How to Enjoy Your Mallow Sandwich ft Oreo Cookie
To enjoy it best, eat the cookie while it’s fresh so it stays soft. You can warm it in the microwave for 5–10 seconds to melt the marshmallow more, which makes it even yummier. It tastes great with a cold glass of milk. For a fun treat, break the cookie into pieces and put it on vanilla ice cream.
FAQs
A secret Sandwich Cookie, potentially featuring the Mallow Sandwich ft Oreo, is slated for all Crumbl locations from September 1-5, 2025. Confirm with your local store for availability.
Each cookie contains approximately 730 calories, with 34g fat, 101g carbohydrates, and 11g protein, making it a rich treat.
Its unique blend of Oreo, marshmallow, and brownie flavors, combined with its large size and limited availability, drives its popularity. Social media hype and fan enthusiasm further boost its appeal.
Check Also: Cinnamon Scone Cookie at Crumbl Cookies