Irresistible Gluten-Free Monster Cookies: The Ultimate Chewy & Flavorful Recipe
Craving the ultimate cookie experience without the gluten? These gluten-free monster cookies deliver all the chewy, rich, and delightfully textured goodness of the classic, packed with creamy peanut butter, vibrant M&M’s, and delectable chocolate chips. Get ready for a dessert that tastes so good, you won’t believe it’s gluten-free!

Monster cookies are renowned for their delightful mix of flavors and textures, typically featuring a hearty combination of peanut butter, M&M’s, and chocolate chips. Our mission was to capture all these beloved elements while making them accessible for those avoiding gluten. The secret? Using naturally gluten-free rolled oats, which lend incredible chewiness and structure without any flour.
I firmly believe that gluten-free desserts should never compromise on taste or texture. These monster cookies are a testament to that philosophy. They are wonderfully chewy, rich with peanut butter goodness, and bursting with chocolatey M&M flavor in every bite. They’re an absolute winner, appealing to everyone, regardless of dietary needs.
My kids adore these cookies, and they also love the monster cookie energy balls, which draw their inspiration from the incredible flavor profile of this very recipe. These treats are perfect for a quick snack or a fun dessert.
Building on past successes, my flourless peanut butter oatmeal chocolate chip cookies remain a highly popular recipe, cleverly using rolled oats in place of traditional flour. This recipe provided key inspiration, proving that oats are a fantastic foundation for achieving the perfect texture and chewiness in gluten-free baking. They contribute a satisfying heartiness that’s often missing in gluten-free alternatives, making these monster cookies truly exceptional.

Baking these gluten-free monster cookies is straightforward and incredibly rewarding. While the full recipe and detailed instructions are provided in the recipe card at the bottom of this post, let’s take a closer look at the key ingredients and why they make this recipe truly special.
Ingredients & Notes for Perfect Gluten-Free Monster Cookies
- Creamy Peanut Butter: Opt for the “no-stir” variety to ensure a smooth, consistent cookie batter. Natural peanut butter can be used, but you might need to adjust other liquid ingredients slightly due to its varying oil separation. The creamy texture is essential for a moist cookie.
- Vanilla Extract: A touch of pure vanilla extract enhances all the sweet flavors, adding depth and warmth to the cookies. Don’t skip this!
- Eggs: These act as a crucial binding agent, holding all the delightful ingredients together and contributing to the cookie’s structure and slight chewiness.
- Pure Maple Syrup: This natural sweetener adds a wonderful richness and subtle caramel note, complementing the peanut butter perfectly. It also helps achieve that desirable chewy texture.
- Brown Sugar: The molasses in brown sugar is key for moisture and a deeper, more complex sweetness, which translates to a wonderfully soft and chewy cookie.
- Gluten Free Rolled Oats: The star ingredient replacing traditional flour! Rolled oats provide a fantastic chewy texture. It is vital to choose oats specifically labeled “gluten-free” if you are cooking for someone with celiac disease or a severe gluten intolerance, as regular oats can be cross-contaminated during processing. Quick oats can also work, but rolled oats offer a more substantial chew.
- Baking Soda: This leavening agent helps the cookies achieve a slight lift and contributes to their soft interior.
- Mini Chocolate Chips: I highly recommend mini chocolate chips for these monster cookies. Their smaller size ensures you get a delightful burst of chocolate in every single bite, rather than just in a few spots. Regular chocolate chips can also be used.
- M&M’s: The colorful and crunchy M&M’s are a hallmark of monster cookies. I used full-sized ones for visual appeal and texture, but mini M&M’s would also work wonderfully and distribute more evenly. Feel free to use seasonal colors for holidays!
- Salt: Just a pinch of salt is essential to balance the sweetness of the cookies, bringing out the flavors of the peanut butter and chocolate.

How to Make Perfect Gluten-Free Monster Cookies
Making these glorious monster cookies is a simple process that yields incredibly delicious results. Follow these steps for chewy, flavorful cookies every time!
Step 1: In a large mixing bowl, combine the wet ingredients. Beat together the eggs, creamy peanut butter, brown sugar, pure maple syrup, and vanilla extract until the mixture is smooth and well-combined. This ensures all the flavors are evenly distributed before adding the dry ingredients.


Step 2: Incorporate the dry ingredients. Add the gluten-free rolled oats, baking soda, and salt to the wet mixture. Stir gently until everything is just combined. Be careful not to overmix, as this can lead to tougher cookies. The goal is to distribute the oats evenly, providing that signature chewy texture.


Step 3: It’s time for the fun stuff! Gently fold in the mini chocolate chips and m&m’s into the monster cookie batter. Use a spatula to carefully mix them in, ensuring they are evenly distributed throughout the dough without crushing the M&M’s. This step makes every cookie a treasure trove of flavors.


Step 4: Prepare for baking! Scoop the cookie dough onto your prepared baking sheet (lined with parchment paper for easy release). These cookies will not spread or rise significantly, so shape them into your desired size and thickness. For an extra pop of color and visual appeal, press a few additional M&M’s onto the top of each cookie before baking.

Step 5: Bake these beauties! Preheat your oven to 350 degrees Fahrenheit (175°C). Bake the monster cookies for 12 – 15 minutes, or until the edges are lightly golden brown and the centers still look slightly soft. The cookies will firm up as they cool, ensuring a perfectly chewy interior.
Recipe Tip: The Art of Not Overbaking
For truly exceptional monster cookies, the key is to avoid overbaking. Since these cookies continue to cook for a few minutes on the hot baking sheet after being removed from the oven, pulling them out when they look slightly underdone in the center is ideal. This practice guarantees a soft, chewy texture rather than a dry, crumbly one. Keep a close eye on them, as oven temperatures can vary!
Allow the cookies to rest on the baking pan for at least 5 minutes after baking. This crucial step allows them to set and prevents them from falling apart when transferred. After 5 minutes, carefully transfer them to a wire cooling rack to cool completely. Enjoy the aroma as they cool – it’s part of the experience!

Can You Freeze Monster Cookie Dough? Absolutely!
Yes, absolutely! Freezing monster cookie dough is a brilliant way to ensure you always have fresh-baked cookies at your fingertips for when those irresistible cravings strike. It’s a fantastic meal prep hack for bakers!
To freeze the dough, simply roll it into individual balls, just as you would before baking. Place these dough balls on a baking sheet lined with wax paper or parchment paper and flash freeze them for about 30-60 minutes, or until they are firm. Once firm, transfer the frozen cookie dough balls to an airtight container or a heavy-duty freezer bag. This prevents them from sticking together and protects them from freezer burn. The dough can be stored in the freezer for up to 3 months.
You can bake frozen cookie dough straight from the freezer! There’s no need to thaw. Just add a few extra minutes (typically 2-4 minutes) to the regular baking time, keeping an eye on them until the edges are lightly browned. This convenience is truly a game-changer.
If you’ve never tried this method, I highly recommend it! There’s nothing quite like being able to grab cookie dough directly from your freezer and have warm, homemade, fresh-baked cookies ready in minutes. It’s my go-to “rough day” life saver and a perfect treat for unexpected guests!
Tips for Perfect Gluten-Free Monster Cookies
- Measure Oats Correctly: For consistent results, lightly spoon your gluten-free rolled oats into the measuring cup and level it off. Don’t pack them down.
- Don’t Overmix: After adding the oats, baking soda, and salt, mix just until combined. Overmixing can develop the gluten structure in some GF oats (if not certified pure) or result in a tougher cookie.
- Use Parchment Paper: Always line your baking sheets with parchment paper. This prevents sticking, ensures even baking, and makes for super easy cleanup.
- Chill the Dough (Optional but Recommended): While not strictly necessary for this recipe, chilling the dough for 30 minutes to an hour can help prevent over-spreading, especially if your kitchen is warm. It also allows the flavors to meld.
- Top with Extra Goodies: For that bakery-style look, press a few extra M&M’s and mini chocolate chips onto the tops of the cookie dough balls before baking. They’ll melt beautifully and look inviting.
- Oven Temperature Accuracy: Ensure your oven is preheated to the correct temperature. An oven thermometer can be a valuable tool to verify accuracy, as inconsistent temperatures can affect baking time and cookie texture.
Variations and Substitutions
These gluten-free monster cookies are incredibly versatile! Feel free to customize them based on your preferences or what you have on hand:
- Nut-Free Version: If you have a peanut allergy, you can substitute the creamy peanut butter with a “no-stir” sunflower seed butter (like SunButter) for a delicious nut-free alternative.
- Different Chocolates: Experiment with different types of chocolate chips – white chocolate chips, milk chocolate chunks, or even dark chocolate chips can add a unique twist.
- Add-ins Galore: Stir in other fun ingredients like toffee bits, chopped walnuts or pecans (if not strictly nut-free), shredded coconut, or even a sprinkle of sea salt on top for a sweet and salty kick.
- Seasonal M&M’s: Use M&M’s in seasonal colors for holidays or special occasions to make your cookies even more festive.
- Sweetener Alternatives: While maple syrup and brown sugar provide the best texture and flavor, you can try substituting some of the maple syrup with honey, or adjust sugar levels slightly to your taste.
Serving and Storage Suggestions
These gluten-free monster cookies are delicious served warm, fresh from the oven, or at room temperature. Pair them with a cold glass of milk, a warm cup of coffee, or enjoy them as a delightful treat on their own. For an extra indulgent dessert, consider making them into ice cream sandwiches!
- Storage: Store cooled cookies in an airtight container at room temperature for up to 3-4 days to maintain their freshness and chewiness.
- Freezing Baked Cookies: Baked monster cookies also freeze beautifully. Once completely cooled, place them in a single layer in an airtight freezer-safe container or bag, separating layers with parchment paper. They can be frozen for up to 2-3 months. Thaw at room temperature or warm briefly in the microwave for a just-baked feel.

More Delicious Gluten-Free Desserts to Explore
If you’re loving these gluten-free monster cookies, you’ll be thrilled to discover other fantastic gluten-free dessert options from our collection. From rich and decadent to light and fruity, there’s something for every sweet tooth!
- Gluten Free Peanut Butter Cookies: A classic, simple, and utterly delicious cookie that’s naturally gluten-free and packed with peanut butter flavor.
- Gluten Free Apple Crisp: A comforting dessert featuring tender baked apples topped with a sweet, crunchy, and gluten-free oat-based crisp topping. Perfect for fall!
- No Bake Chocolate Peanut Butter Bars: For those days you don’t want to turn on the oven, these rich and easy-to-make bars offer a fantastic combination of chocolate and peanut butter.
- Gluten Free Cookie Bars: All the goodness of oatmeal chocolate chip cookies in an easy-to-serve bar format, ideal for gatherings or quick desserts.
- Gluten Free Carrot Cake: A moist and flavorful carrot cake with a delightful cream cheese frosting, proving that gluten-free baking can be truly luxurious.
I genuinely believe you will adore these chewy, rich, and utterly satisfying gluten-free monster cookies. They prove that going gluten-free doesn’t mean sacrificing flavor or fun! Give this recipe a try and let me know your thoughts. Happy baking! – Joy

Gluten Free Monster Cookies
Joy Shull
20 minutes
15 minutes
35 minutes
18
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Ingredients
- 1 cup creamy no stir peanut butter
- 2 teaspoons vanilla extract
- 2 eggs
- 2 tablespoons pure maple syrup
- 1 cup gluten free rolled oats
- 1/2 cup brown sugar
- 1/2 teaspoon salt
- 1/2 teaspoon baking soda
- 1/2 cup mini chocolate chips
- 1/2 cup m&m’s
Instructions
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Beat together the peanut butter, eggs, maple syrup, brown sugar, and vanilla extract in a large mixing bowl until smooth and well-combined.
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Add in the gluten-free rolled oats, baking soda, and salt. Stir gently until all ingredients are just combined, being careful not to overmix.
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Fold in the mini chocolate chips and M&M’s with a spatula, ensuring they are evenly distributed throughout the dough.
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Scoop and form the batter into uniform cookies on a parchment-lined baking sheet (they won’t spread much). Press additional M&M’s onto the top of each cookie if desired for extra visual appeal.
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Bake cookies at 350 degrees F (175°C) for 11-14 minutes, until the edges are lightly browned and the centers are still slightly soft. Allow the monster cookies to rest on the pan for 5 minutes before transferring them to a wire cooling rack to cool completely.
Nutrition
Carbohydrates: 21g,
Protein: 5g,
Fat: 11g,
Saturated Fat: 3g,
Polyunsaturated Fat: 2g,
Monounsaturated Fat: 4g,
Trans Fat: 0.02g,
Cholesterol: 20mg,
Sodium: 173mg,
Potassium: 118mg,
Fiber: 1g,
Sugar: 16g,
Vitamin A: 51IU,
Vitamin C: 0.1mg,
Calcium: 32mg,
Iron: 1mg
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