Irresistible Gluten-Free Monster Cookies: Your New Favorite Flourless Treat
There’s something truly magical about a classic monster cookie, and this recipe delivers that nostalgic taste in a naturally gluten-free package! These homemade cookies are incredibly soft and delightfully chewy, mirroring the beloved treats from your childhood. Packed with wholesome oats, creamy peanut butter, generous chocolate chips, and colorful M&M candies, they are the quintessential bakery-style indulgence perfect for everyone, regardless of dietary preferences.
Why You’ll Love These Flourless Gluten-Free Monster Cookies
This monster cookie recipe is truly a revelation – one of those fantastic finds that happen to be naturally gluten-free without any special effort. As a baker, I’ve always cherished flourless cookie recipes because they eliminate the need for costly specialty flours, making them an affordable and accessible option for all. Whether you follow a gluten-free diet or simply appreciate a fantastic cookie, these treats are guaranteed to please every palate. They offer the perfect combination of texture and flavor that makes them universally appealing.
This easy homemade recipe draws inspiration from a beloved family favorite in my extensive gluten-free cookie collection. The foundation for these delightful monster cookies comes from my highly praised old-fashioned gluten-free oatmeal raisin cookie recipe. After receiving countless rave reviews for the oatmeal raisin version, I knew I had to experiment. By swapping out the raisins for a generous mix of classic chocolate chips and vibrant M&M’s, I discovered a new sensation.
The outcome was nothing short of spectacular, delivering cookies that tasted just as incredible as the ones I fondly remember from my childhood. Each cookie boasts an extra soft and wonderfully chewy texture, complemented by delicately crisp edges. And of course, they are brimming with an abundance of gooey chocolate, thanks to a generous helping of both chocolate chips and M&M’s, ensuring every bite is a delightful burst of flavor and texture.
These are my go-to cookies for friends, especially those who are gluten-free. I’m celiac and these are my favorite! Awesome texture and flavor.
—Clare
Essential Ingredients for Perfect Monster Cookies
Crafting these incredible flourless monster cookies relies on a few key ingredients, each playing a crucial role in achieving their signature soft, chewy, and irresistible texture. Here’s a closer look at what makes them so special:
- Peanut Butter: This is the star ingredient that binds the cookie dough together, eliminating the need for flour. It contributes significantly to the cookies’ ultra-soft and chewy texture, ensuring they are never dry or crumbly. For the best results, always use creamy peanut butter (not natural or oil-separated varieties). Natural peanut butter tends to be too oily, which can alter the dough’s consistency and lead to undesirable results. I haven’t tested this recipe with alternative seed or nut butters, but due to their varying oil content, they might not yield the same fantastic outcome.
- Oats: Quick-cooking oats are highly recommended for this recipe. Their finer, smaller flakes integrate more effectively into the dough, acting as an excellent binder and eliminating the need for any chilling time. It’s absolutely crucial to use certified gluten-free oatmeal to ensure the cookies remain genuinely gluten-free. While regular rolled oats can be used in a pinch, I find they can slightly affect the texture, making the cookies a bit less cohesive, though the taste remains largely unaffected.
- Butter: Softened, room-temperature unsalted butter is essential for creaming properly with the sugars, creating a light and airy base for the dough. While I haven’t personally tried the recipe with dairy-free butter, vegan butter sticks often substitute well in baking. However, they may cause the cookies to spread a bit more. To counteract this potential spreading, I recommend chilling the dough for about an hour before baking if using a dairy-free alternative.
- Sugar: A harmonious blend of both light brown sugar and granulated sugar is key. Brown sugar contributes moisture and a rich, caramel-like depth, enhancing the chewiness of the cookies, while granulated sugar ensures a delicate crispness around the edges. This combination creates the perfect balance of soft centers and slightly firm exteriors.
- M&M Candies: These colorful chocolate candies add a delightful crunch and extra chocolatey goodness. Traditional plain M&M’s do not contain gluten-containing ingredients. However, for individuals with celiac disease or severe gluten sensitivities, cross-contamination can be a concern. If you’re baking for someone with a strict gluten-free diet, it’s always best to check with them first or carefully read the labels of any chocolate candies you choose to use to ensure they are certified gluten-free.
- Large Eggs: Eggs act as a binder and add structure and moisture to the cookies, contributing to their soft and chewy texture.
- Vanilla Extract: A touch of vanilla enhances all the other flavors, adding a warm, aromatic depth that is essential for any great cookie.
- Baking Soda: This leavening agent helps the cookies rise slightly and spread, contributing to their soft interior and characteristic monster cookie shape.
Let’s Bake These Delicious Monster Cookies Together!
(Below you’ll find step-by-step photos and detailed instructions to guide you through the baking process. For the complete recipe, including precise ingredient amounts, please scroll down to the recipe card at the bottom of the page.)
Creating the Easy Flourless Cookie Dough
Begin by preheating your oven to 350°F (175°C) and lining your baking sheets with parchment paper or silicone mats. In a large mixing bowl, combine the softened butter, creamy peanut butter, light brown sugar, and granulated sugar. Using an electric mixer, cream these ingredients together on high speed for about 2 minutes until the mixture is beautifully light, fluffy, and creamy. This crucial step incorporates air, contributing to the cookies’ soft texture. Next, beat in the large eggs and vanilla extract until they are fully incorporated and the mixture is smooth.
Folding in the Monster Goodness!
No monster cookies are complete without their signature mix-ins! Reduce the mixer speed to low and gradually add the gluten-free quick oats and baking soda to the wet ingredients, mixing until just combined. Be careful not to overmix. Now for the best part: gently stir in ¾ cup of the chocolate chips and ¾ cup of the M&M’s. Reserve the remaining ¼ cup of each to press onto the tops of the cookies before baking – this is the secret to achieving that irresistible, authentic bakery-style appearance that everyone loves!
Scooping and Baking to Perfection
The name “monster cookies” likely refers to their delightfully generous size, and I wholeheartedly embrace it! For perfectly large and satisfying cookies, I use a large cookie scoop, which measures approximately 3 tablespoons of dough. Sometimes, when I’m feeling extra indulgent, I’ll even opt for my 4-tablespoon scoop. Scoop out the dough and place the balls onto your prepared baking sheets, ensuring they are spaced about 2 inches apart to allow for proper spreading. Gently press down slightly on each dough ball with the back of the scoop. Then, take your reserved chocolate chips and M&M’s and press a few onto the top of each unbaked cookie for that appealing bakery finish.
Bake the cookies in your preheated 350°F (175°C) oven for approximately 11 minutes. It’s crucial not to overbake monster cookies; in fact, I often prefer to slightly underbake them. You’re looking for edges that are just set and a center that still appears slightly soft and underdone. This technique ensures an incredibly soft and chewy interior. Once baked, allow the cookies to cool on the baking sheets for at least 5 minutes before carefully transferring them to a wire rack to cool completely. This cooling period helps them firm up without losing their delicious tenderness!
Frequently Asked Questions About Monster Cookies
Can I Use Rolled Oats Instead of Quick Oats?
For this flourless cookie recipe, gluten-free quick oats truly work best. The primary reason is their finer, smaller flake size, which allows them to integrate more effectively and act as a superior binder for flourless cookies compared to larger, old-fashioned rolled oats. Quick oats help create a cohesive dough that holds its shape beautifully without the need for additional flour.
If you only have rolled oats on hand and are in a pinch, you can still use them! Simply pulse them a few times in a food processor until they break down to a size similar to quick oats. While this modification will still produce delicious cookies, I’ve found that using regular old-fashioned oats without processing can slightly alter the final texture, making them a bit less uniformly chewy, though the incredible taste remains.
How do I store Gluten-Free Monster Cookies?
Once completely cooled, store your monster cookies in an airtight container at room temperature for up to 4-5 days. For longer storage, they freeze beautifully! Place cooled cookies in a single layer on a baking sheet to flash freeze for 30 minutes, then transfer them to a freezer-safe bag or container for up to 3 months. Thaw at room temperature or gently warm in the microwave for a fresh-baked feel.
Can I make these cookies dairy-free?
Absolutely! To make these monster cookies dairy-free, simply swap the butter for plant-based butter sticks (like Earth Balance) and use dairy-free chocolate chips (such as Enjoy Life brand). Please note that traditional M&M’s are not dairy-free, so you’ll need to omit them. You can replace them with an equal amount of dairy-free chocolate chips, or get creative with other dairy-free mix-ins like dried cranberries, chopped nuts, or shredded coconut. Be aware that dairy-free butter might cause a bit more spreading, so chilling the dough for an hour before baking is recommended.
Why did my cookies spread too much?
Several factors can cause cookies to spread excessively. Ensure your butter is softened but not melted, as melted butter can make the dough too loose. Using creamy peanut butter (not natural) is also crucial, as natural peanut butter’s higher oil content can lead to spreading. Additionally, make sure your baking soda is fresh and that your oven temperature is accurate. If you suspect your oven runs cool, consider using an oven thermometer. Finally, chilling the dough for 30-60 minutes can help prevent over-spreading, especially if your kitchen is warm.
Pro Tips for Baking the Best Gluten-Free Monster Cookies
Achieve Bakery-Quality Results Every Time
- Consistent Cookie Size: For those impressive, bakery-style large cookies, invest in a good quality large cookie scoop (about 3 tablespoons). This ensures all your cookies are uniformly sized, which is key for even baking and a professional appearance. If you prefer more, smaller cookies, a medium cookie scoop (1.5 tablespoons) will work perfectly. Simply adjust baking time down by 1-2 minutes.
- Softening Butter Quickly: Forgot to set out your butter? No problem! Place it in your microwave and heat at 20% power for 30-45 seconds. This gently softens it to the perfect consistency without melting, which is crucial for the creaming process.
- Choose the Right Peanut Butter: Creamy, shelf-stable peanut butter (like Jif or Skippy) is essential for this recipe. Natural peanut butters that separate oil tend to be too oily and thin, which will prevent the dough from coming together cohesively and can lead to greasy, overly spread cookies. The consistency of creamy peanut butter provides the necessary binding and moisture.
- Efficient Scooping: Utilizing cookie scoops not only speeds up the portioning process but also guarantees that each cookie is precisely the same size. This consistency is vital for uniform baking, ensuring every cookie bakes perfectly in the same amount of time.
- Creative Mix-Ins: Don’t be afraid to customize! While chocolate chips and M&M’s are classic, feel free to replace some of them with other delightful additions. Consider butterscotch chips, white chocolate chips (ensure they are gluten-free if needed), gluten-free pretzels for a salty crunch, shredded coconut, or tangy dried cranberries. Always remember to read all product labels carefully to confirm they are gluten-free if you are catering to dietary restrictions.
- Festive Flair: For a seasonal touch, especially during the holidays, swap out regular M&M’s for themed ones, such as red and green Holiday M&M’s. This small change adds a wonderful festive appeal to your monster cookies.
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Flourless Gluten-Free Monster Cookies (Extra Soft!)
Melissa Erdelac
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Ingredients
-
½ cup
(113 g)
unsalted butter, softened -
1 ⅓ cup
(344 g)
creamy peanut butter -
¾ cup
(176 g)
packed light brown sugar -
¾ cup
(150 g)
granulated sugar -
2
large eggs -
2 teaspoons
vanilla extract -
1 ½ teaspoon
baking soda -
3 cups
(312 g)
quick-cooking oats, certified gluten-free -
1 cup
(208 g)
M&M chocolate candies, divided -
1 cup
(170 g)
semi-sweet chocolate chips, divided
Equipment
-
Baking Sheets
-
Stand Mixer
-
Large Cookie Scoop
Instructions
-
Preheat the oven to 350°F (175°C). Line baking sheets with parchment paper, silicone baking mats, or leave ungreased if preferred.
-
In a large bowl, cream together the softened butter, peanut butter, and both sugars. Mix on high speed for 2 minutes until light and creamy.½ cup unsalted butter,
1 ⅓ cup creamy peanut butter,
¾ cup packed light brown sugar,
¾ cup granulated sugar -
Add the eggs, vanilla, and baking soda. Mix well until combined, then add the quick-cooking oats. Mix on low speed until just incorporated. Finally, fold in ¾ cup of M&M’s and ¾ cup of chocolate chips by hand or on low speed until evenly distributed.2 large eggs,
2 teaspoons vanilla extract,
1 ½ teaspoon baking soda,
3 cups quick-cooking oats,
1 cup M&M chocolate candies,
1 cup semi-sweet chocolate chips -
Use a large cookie scoop (approximately 3 tablespoons) to portion out large balls of dough and place them 2 inches apart on your prepared baking sheets. For smaller cookies, refer to the recipe notes. Press down slightly on each dough ball with the back of the scoop. Then, take the remaining ¼ cup of chocolate chips and M&M’s and gently press them onto the top of the unbaked cookies for a decorative finish.
-
Bake for 11 minutes, rotating the pans halfway through for even baking. Be careful not to overbake; the edges should be set, but the middle will still appear slightly underdone and soft. Allow the cookies to cool on the baking sheets for 5 minutes before carefully transferring them to a wire rack to cool completely.
Notes
Smaller cookies
To make smaller cookies, use a medium cookie scoop (1.5 tablespoons) and bake for 1-2 minutes less. This adjustment will yield approximately 44 cookies.
Dairy-Free Modifications
- Replace the unsalted butter with an equal amount of plant-based butter sticks, such as Earth Balance. Note that dairy-free butter may cause the cookies to spread slightly more. To mitigate this, chill the dough for 1 hour before baking.
- Instead of semi-sweet chocolate chips, opt for dairy-free chocolate chips, like those from Enjoy Life.
- Traditional M&M’s are not dairy-free, so they will need to be omitted. You can replace them with an additional ¾ cup of dairy-free chocolate chips (regular or mini) or choose another dairy-free mix-in such as dried cranberries, shredded coconut, chopped nuts, or other vegan baking chips.
Make-Ahead Tips
These cookies are excellent for preparing in advance. You have a couple of convenient options:
- Baked Cookies: Bake the cookies as directed and allow them to cool completely. Store them in an airtight container at room temperature for up to four days. For longer storage, wrap stacks of 2-3 cookies tightly in plastic wrap, then place them in a freezer-safe ziplock bag and freeze for up to three months.
- Unbaked Cookie Dough: Prepare the monster cookie dough according to the recipe. Scoop out the cookie balls onto a parchment paper-lined baking sheet and flash freeze them until they are solid. Once frozen, transfer the unbaked cookie balls to a freezer-safe ziplock bag and store for up to three months. When ready to bake, there’s no need to thaw the dough; simply bake them directly from frozen, adding an extra 1-2 minutes to the baking time.
Carbohydrates: 36g,
Protein: 7g,
Fat: 19g,
Saturated Fat: 8g,
Polyunsaturated Fat: 3g,
Monounsaturated Fat: 6g,
Trans Fat: 1g,
Cholesterol: 28mg,
Sodium: 199mg,
Potassium: 204mg,
Fiber: 3g,
Sugar: 25g,
Vitamin A: 176IU,
Vitamin C: 1mg,
Calcium: 38mg,
Iron: 2mg
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These gluten-free monster cookies are more than just a recipe; they’re a celebration of flavor and texture that proves dietary needs don’t have to compromise deliciousness. With their rich peanut butter base, chewy oats, and abundant chocolatey goodness, these flourless cookies are sure to become a beloved staple in your home. Perfect for gatherings, lunchboxes, or a simple sweet craving, they offer comfort and joy in every monster-sized bite. Enjoy baking and sharing these delightful treats!