Gooey S’mores Oatmeal Chocolate Chip Cookies

Ultimate Oatmeal Chocolate Chip S’mores Cookies: A Fall Baking Essential

Experience the irresistible magic of S’mores transformed into a delightful cookie form! This unique recipe blends hearty oats, crunchy graham cracker crumbs, rich chocolate chips, and perfectly toasted marshmallows, delivering an unforgettable treat that captures the essence of cozy fall evenings.

Oatmeal Chocolate Chip S'mores Cookie - s'mores inspired cookie recipe filled with oats, graham cracker crumbs, chocolate chips and toasted marshmallow | Susan Whetzel on TheCakeBlog.com

Delicious Oatmeal Chocolate Chip S'mores Cookies with perfectly toasted marshmallows, ready to be enjoyed as a perfect fall treat.

Embrace the Season: Why S’mores are a Timeless Fall Favorite

As the vibrant hues of summer gently fade into the rich tapestry of autumn, we welcome the arrival of fall with open arms. It’s a season synonymous with crisp air, the rustle of fallen leaves, and the inviting warmth of blazing bonfires under a starlit sky. And with these quintessential fall scenes comes an undeniable craving for one of the most beloved and iconic treats: s’mores. That magical combination of gooey, lightly charred marshmallow, decadent melted chocolate, and crunchy graham crackers isn’t merely a dessert; it’s a sensory journey that evokes cherished memories of camping adventures and simple, joyful moments shared with loved ones.

While the classic campfire s’more remains an undisputed champion, its incredible flavor profile has inspired a culinary revolution. Over the past few years, we’ve witnessed the s’mores concept explode into every facet of baking, transforming into an endless array of delectable desserts. From elaborate s’mores layer cakes to innovative s’mores cupcakes, the versatility of this beloved treat proves that its charm extends far beyond the flickering flames of a fire pit. For those of us who simply can’t get enough of that ooey-gooey chocolate and marshmallow bliss, the possibilities for indulging in s’mores-inspired creations are truly boundless.

Introducing a S’mores Masterpiece: The Oatmeal Chocolate Chip S’mores Cookie

Today, we are absolutely thrilled to share yet another ingenious s’mores-inspired recipe from the incredibly talented Susan Whetzel, the acclaimed author of The S’mores Cookbook. If your heart yearns for a treasure trove of s’mores desserts perfect for any time of year, her drool-worthy book is an essential addition to your culinary collection. Susan previously captivated our taste buds earlier this season with her delightful S’mores Coffee Cake, and now she returns with a simply delicious cookie recipe that is destined to become a staple on your fall baking list: the Oatmeal Chocolate Chip S’mores Cookie.

What sets this particular s’mores cookie apart? It’s the brilliant fusion of classic s’mores elements with a wholesome, comforting twist. Imagine the delightful chewiness of old-fashioned oats perfectly integrated into a cookie dough, complemented by the subtle yet distinctive crunch and flavor of graham cracker crumbs. Add in the familiar joy of rich chocolate chips, and crown it all with a perfectly toasted, molten marshmallow. This isn’t just a cookie; it’s a sophisticated reinterpretation that adds depth, an inviting texture, and a wonderfully comforting, homestyle appeal to the s’mores experience. Prepare to elevate your fall baking with this truly exceptional recipe!

Close-up view of freshly baked Oatmeal Chocolate Chip S'mores Cookies, each topped with a perfectly toasted marshmallow.

Susan Whetzel’s Insight: A Cookie That Transforms Expectations

“The bit of oatmeal used in this batter adds a little more bite and a great texture to the graham-enhanced cookie. Your kids will no longer turn their noses up at an oatmeal cookie!” These encouraging words from Susan Whetzel herself perfectly encapsulate the magic of this recipe. It’s a testament to how thoughtfully combining ingredients can transform a sometimes-underestimated classic, like the oatmeal cookie, into an undeniable crowd-pleaser that even the pickiest eaters will adore. The inclusion of oats not only contributes to a wonderfully satisfying, chewy texture but also subtly balances the sweetness, making these cookies feel both indulgent and delightfully wholesome, all while delivering on every expectation of s’mores flavor.

This recipe truly elevates the humble cookie into something extraordinary. The graham cracker crumbs are not merely an afterthought; they are a vital component, integral to infusing that unmistakable s’mores essence throughout every single bite. Each element plays its part: the hearty oats providing substance, the chocolate chips offering bursts of rich cocoa, and the grand finale of the toasted marshmallow adding that signature gooey, caramelized sweetness. The result is a multi-layered sensory experience that is absolutely perfect for gathering around a bonfire, enjoying with a warm mug of apple cider, or simply treating yourself on a crisp, golden autumn afternoon. These cookies are a celebration of flavor and texture, designed to bring warmth and joy to any occasion.

The Recipe: Oatmeal Chocolate Chip S’mores Cookies

A delectable creation by Susan Whetzel from The S’mores Cookbook

Ingredients You’ll Need:

  • 1 cup softened salted butter: Essential for a rich, tender cookie base. Ensure your butter is at room temperature for optimal creaming, which helps incorporate air and creates a lighter texture.
  • ¾ cup dark brown sugar: This provides moisture, contributes to a wonderfully chewy texture, and imparts a lovely, deep molasses flavor that perfectly complements the s’mores profile.
  • ¾ cup white sugar: Balances the sweetness and helps create those delightful crisp edges that make cookies so appealing.
  • 2 large eggs: Act as crucial binders, adding structure, richness, and moisture to the cookie dough. Like butter, make sure your eggs are at room temperature for better emulsification.
  • 2 teaspoons vanilla extract: A cornerstone flavor enhancer in nearly all baking, bringing warmth, depth, and a comforting aroma to these cookies.
  • 1¼ cups all-purpose flour: The primary structural component, providing the necessary body for the cookie dough.
  • ½ teaspoon baking soda: This leavening agent is key to helping the cookies spread beautifully and achieve a tender, soft interior.
  • ½ teaspoon salt: Crucial for balancing the sweetness of the sugars and marshmallows, while also enhancing all the other wonderful flavors in the cookie. Do not omit it!
  • ¼ cup graham cracker crumbs: The secret ingredient that infuses every single bite with that authentic, unmistakable s’mores taste and a delightful, subtle crunch.
  • 2½ cups quick oats: Provide a fantastic chewy texture and a wholesome heartiness to the cookies. Quick oats are preferred over old-fashioned oats for their finer texture, which blends more seamlessly into the dough.
  • 2 cups mini semisweet chocolate chips: Distribute perfectly throughout the cookies, ensuring rich, melted pockets of chocolate in every mouthful. Mini chips are ideal for uniform chocolate distribution.
  • 12 giant marshmallows, sliced into thirds: These are the grand finale, transforming your baked cookies into true s’mores with their iconic gooey, perfectly toasted topping.

Step-by-Step Instructions for Baking Perfection:

Crafting these extraordinary cookies is a truly joyous experience. Following these precise steps will guide you to a perfect batch every single time. Remember, a little precision and patience are your best allies in the art of baking!

STEP 1: Prepare Your Workspace and Oven with Care
Begin by preheating your oven to 325°F (160°C). This slightly lower temperature is crucial; it allows the cookies to bake evenly without browning too quickly on the outside, ensuring that the centers are perfectly cooked and chewy. Next, line your baking sheets with parchment paper. This vital step serves multiple purposes: it prevents the cookies from sticking, promotes uniform baking by regulating heat distribution, and makes for an incredibly effortless cleanup. Set these meticulously prepared sheets aside while you proceed with mixing your dough.

STEP 2: Creaming Butter and Sugars for a Fluffy, Rich Base
In the bowl of a stand mixer fitted with the paddle attachment, or using a reliable hand mixer, combine the softened salted butter, dark brown sugar, and white sugar. Cream these ingredients together at medium-low speed until the mixture becomes wonderfully light, fluffy, and thoroughly combined. This creaming process, typically taking about 2-3 minutes, is essential as it incorporates air, which contributes significantly to the cookies’ final tender and airy texture. Subsequently, add the eggs, one at a time, beating well after each addition until each egg is fully incorporated into the mixture. This ensures proper emulsification with the fats and sugars. Finally, gently stir in the vanilla extract until it’s just combined, infusing the wet ingredients with its warm, inviting aroma.

STEP 3: Meticulously Combine Your Dry Flavor Enhancers
In a separate, medium-sized mixing bowl, take a whisk and thoroughly combine the all-purpose flour, baking soda, salt, and graham cracker crumbs. Whisking these dry ingredients together ensures that they are perfectly and evenly distributed throughout the dough. This attention to detail prevents any undesirable pockets of unmixed leavening agents or salt, and crucially, it uniformly spreads the unique, comforting flavor of the graham cracker crumbs throughout the cookie base.

STEP 4: Gently Bring the Dough Together for Optimal Texture
Gradually add the thoroughly combined dry ingredients to the wet batter in your stand mixer. Mix on a low speed, being extremely careful to mix only until the ingredients are just combined and no dry streaks of flour remain. Overmixing the flour is a common pitfall in cookie baking, as it can overdevelop the gluten, resulting in tough, less tender cookies. As soon as the flour mixture is incorporated, remove the bowl from the mixer and gently stir in the quick oats and mini semisweet chocolate chips by hand. This ensures even distribution without the risk of overworking the dough, preserving that perfect chewy texture.

STEP 5: Scooping and Baking for Golden, Chewy Perfection
Scoop rounded balls of batter onto your prepared baking sheets. For consistent cookie size and even baking, aim for approximately 1.5 to 2 tablespoons of dough per cookie. It’s imperative to leave ample space—about 2 inches—between each cookie, as this dough will spread significantly during the baking process. Bake for 13–15 minutes, or until the edges are very lightly browned and the centers appear just set. The cookies may still look slightly soft in the middle; this is perfectly normal, as they will continue to firm up as they cool. Avoid the temptation to overbake, which can lead to dry or crumbly cookies, ensuring they remain wonderfully soft and chewy.

STEP 6: The Grand S’mores Transformation: Marshmallow Topping and Toasting
Immediately upon removing the freshly baked cookies from the oven, quickly place one slice of marshmallow onto the center of each hot cookie. The residual heat from the warm cookie will help the marshmallow adhere and begin to soften, creating that signature gooey base. Allow the cookies to cool completely on the baking sheets. Once fully cooled, it’s time for the spectacular finale: the toasting! For that perfect golden-brown, caramelized, and gooey marshmallow top, you have two excellent options. You can either place the entire pan under the oven broiler for a very short duration (watch them *extremely* carefully, as marshmallows can go from perfect to burnt in mere seconds!) or, for more precise control and an even toast, use a kitchen torch to toast each marshmallow individually to your desired level of golden perfection. Serve these warm, irresistible masterpieces and savor every delightful bite!

Expert Tips for the Perfect S’mores Cookie Experience

Achieving cookie perfection is all about the details. Here are some pro tips to ensure your Oatmeal Chocolate Chip S’mores Cookies turn out absolutely flawless:

  • Ingredient Temperature Matters: Always ensure your butter and eggs are at room temperature. This isn’t just a suggestion; it’s vital for a smooth, uniform dough. Room temperature ingredients cream together more effectively, incorporating more air and resulting in a lighter, more tender cookie.
  • The Golden Rule: Don’t Overmix: Once you add the flour to the wet ingredients, mix only until just combined. Overmixing develops the gluten in the flour, which can lead to tough, dense cookies. Stop mixing as soon as you see no dry flour streaks.
  • Fresh Graham Cracker Crumbs for Best Flavor: For the most authentic and vibrant graham cracker flavor, consider making your own crumbs. Simply crush whole graham crackers in a food processor or place them in a Ziploc bag and crush them with a rolling pin. Fresh crumbs have a richer aroma and better texture.
  • Marshmallow Sizing: Using giant marshmallows sliced into thirds, as the recipe suggests, ensures a substantial and wonderfully gooey topping without overwhelming the cookie. If you only have smaller marshmallows, you might need to use two or three per cookie to achieve a similar effect.
  • Safe Marshmallow Toasting: If opting for the oven broiler, constant vigilance is key! Marshmallows brown incredibly fast under direct heat, so keep your oven door slightly ajar and watch them continuously. For maximum control and a beautifully even golden toast, a kitchen torch is often the preferred tool for bakers.
  • Optimal Storage for Freshness: Once completely cooled, store your Oatmeal Chocolate Chip S’mores Cookies in an airtight container at room temperature. They will maintain their deliciousness for up to 3-4 days. For that “fresh out of the oven” gooeyness and a revived marshmallow, a quick 10-15 second zap in the microwave can work wonders before serving.

These Oatmeal Chocolate Chip S’mores Cookies are far more than just a dessert; they are a heartfelt celebration of the fall season, a testament to culinary creativity, and an absolute delight for anyone who cherishes the classic s’mores experience. Whether you’re baking a batch for a lively party, a cozy family gathering, or simply for a quiet, indulgent evening at home, these cookies are guaranteed to bring smiles, warmth, and an unforgettable taste of autumn joy.


Excerpted from The S’mores Cookbook by Susan Whetzel, Copyright © 2013 by F+W Media, Inc. Used by permission of the publisher. All rights reserved. Cover design by Sylvia McArdle. Cover images by Bree Hester and Susan Whetzel.


YOU MAY ALSO ENJOY These S’mores-Inspired Recipes:

  • S’mores Layer Cake: A truly decadent dessert perfect for special occasions and celebrations.
  • Easy S’mores Cupcakes: All the incredible s’mores flavor conveniently packed into individual, delightful servings.
  • S’mores Coffee Cake: An ideal choice for a cozy breakfast, brunch, or a delightful afternoon treat.
  • Open Face Heart S’mores: A fun, charming, and visually appealing twist on the timeless classic s’mores.
  • Leprechaun Hat S’mores: A creative and delightful s’mores variation, perfect for themed gatherings or festive occasions.

For even more incredible baking inspiration, delightful dessert ideas, and a treasure trove of s’mores recipes, be sure to explore Susan Whetzel’s full collection in The S’mores Cookbook and discover other culinary gems on TheCakeBlog.com.