Do you ever find yourself craving the joy of summer campfires, with the warmth of the flames and the sweet aroma of melting marshmallows? My Gooey S’mores Cookie Bars are here to transport you right back to those blissful evenings, offering all the nostalgic flavors of the beloved campfire treat in an easy-to-share dessert form. With a buttery cookie dough base that gives way to crunchy graham crackers, gooey mini marshmallows, and rich chocolate, these bars are not just a treat—they’re a quirky, crowd-pleasing delight perfect for any gathering. Plus, they come together in a flash—no need for skewers or messy outdoor setups! So, are you ready to elevate your dessert game and bring a little campfire magic into your kitchen?

Why are S’mores Cookie Bars a must-try?

Nostalgic Flavors: These S’mores Cookie Bars evoke sweet memories of summer nights around the fire, making them a perfect treat for all ages.

Quick and Easy: With just a few simple steps, you can whip up a batch of these delicious bars in no time—ideal for last-minute gatherings.

Mix of Textures: Experience crispy graham crackers layered beneath soft and chewy cookie dough, topped with gooey marshmallows and melted chocolate.

Crowd-Pleaser: These bars are a sure hit at parties, tailored to impress both kids and adults alike! Check out Sugar Cookie Fruit for other crowd-favorite dessert ideas.

Versatile Add-Ins: Customize your bars by adding nuts, peanut butter, or even a swirl of caramel for an extra indulgent twist!

Bring a little campfire spirit into your kitchen with these delightful S’mores Cookie Bars—you won’t regret it!

S’mores Cookie Bars Ingredients

For the Base
Graham Crackers – Provide structure and a crunchy base; substitute with gluten-free graham crackers for a gluten-free option.
Unsalted Butter – Adds moisture and richness to the cookie dough; use margarine as a dairy-free alternative.
Granulated Sugar – Sweetens the dough and helps achieve a golden color; can reduce for less sweetness.
Light Brown Sugar – Contributes moisture and a slight caramel flavor; dark brown sugar can be used for a richer taste.
Large Eggs – Bind the ingredients together and add moisture; substitute 1 egg with 1/4 cup applesauce for a vegan version.
Vanilla Extract – Enhances flavor; use pure vanilla extract for best results.

For the Dough
All-Purpose Flour – Provides the structure of the cookies; can use a gluten-free flour blend as a substitute.
Salt – Balances sweetness; essential for flavor.
Baking Soda – Helps the cookie bars rise and become fluffy.

For the Filling
Semi-Sweet Chocolate Chips – Adds chocolate flavor and gooey texture; dark chocolate chips can be swapped for a richer bitterness.
Mini Marshmallows – Provides the gooey, marshmallow element of s’mores; large marshmallows can be cut up if mini ones aren’t available.
Hershey’s Milk Chocolate Bars – Topping for added chocolate flavor; substitute with any preferred chocolate bar.

Feel free to mix things up! With these S’mores Cookie Bars ingredients, you’ll be on your way to a treat that’s as delightful as it is easy to make!

Step‑by‑Step Instructions for S’mores Cookie Bars

Step 1: Preheat the Oven
Begin by preheating your oven to 375°F (190°C) to ensure a perfectly baked base. While the oven is warming up, prepare a 9×13 inch baking pan by lining it with parchment paper, allowing it to overhang slightly for easy removal once baked.

Step 2: Prepare the Base
Layer the bottom of the prepared pan with graham crackers, breaking them as necessary to fit snugly. Aim for an even layer since this will provide the delicious crunchy base for your S’mores Cookie Bars that will contrast beautifully with the gooey toppings.

Step 3: Mix the Dough
In a mixing bowl, cream together 1 cup of unsalted butter and both granulated and brown sugars until light and fluffy, which should take about 2-3 minutes. Then, add 2 large eggs and 1 teaspoon of vanilla extract, mixing well until just combined. In a separate bowl, whisk together 2 cups of all-purpose flour, 1 teaspoon of salt, and 1 teaspoon of baking soda before incorporating the dry ingredients into the wet mixture. Finally, fold in 1 cup of semi-sweet chocolate chips and 1 cup of mini marshmallows to complete your batter.

Step 4: Assemble and Bake
Spread the cookie dough mixture evenly over the graham crackers in the pan, pressing it down slightly to create a flat surface. Bake in your preheated oven for 25-30 minutes, or until the edges are golden brown and a toothpick inserted in the center comes out clean. For an added treat, you may sprinkle extra mini marshmallows on top during the last 5 minutes of baking.

Step 5: Finish with Chocolate
As soon as you remove the S’mores Cookie Bars from the oven, arrange the broken pieces of Hershey’s chocolate bars on the warm surface. Allow the chocolate to soften and melt slightly from the residual heat for about 5 minutes.

Step 6: Cool and Slice
Let the bars cool in the pan for 20-30 minutes until set and easier to handle. Once cooled, use the parchment paper to lift the bars out of the pan. Slice into squares and enjoy the warm, gooey, and decadent S’mores Cookie Bars!

What to Serve with Gooey S’mores Cookie Bars

Indulging in a gooey treat is all about creating the perfect experience, from sweet desserts to delightful pairings.

  • Vanilla Ice Cream: This classic pairing enhances the warm, gooey bars with a creamy, cold contrast, making every bite an indulgent treat.

  • Chocolate Sauce Drizzle: A simple drizzle of rich chocolate sauce brings an added layer of decadence, elevating the flavors while satisfying the sweet tooth.

  • Fresh Berries: Add a refreshing note with juicy strawberries or raspberries, cutting through the sweetness and adding a beautiful pop of color to your dessert spread.

  • Whipped Cream: Light and airy, homemade whipped cream complements the dense, chewy texture of the bars, adding a delightful creaminess that’ll have everyone reaching for seconds.

  • Nutty Crunch: A sprinkle of crushed nuts such as walnuts or pecans will contribute a satisfying crunch and depth of flavor, balancing out the sweetness beautifully.

  • S’mores-Inspired Milkshake: Blend creamy ice cream, milk, and a few graham cracker crumbs for a nostalgic milkshake that captures the essence of s’mores, perfect for enjoying alongside the bars.

Pair your Gooey S’mores Cookie Bars with these delightful options for a full-on dessert extravaganza that will have friends and family lingering at the table!

Expert Tips for S’mores Cookie Bars

  • Use Parchment Paper: Lining your pan with parchment paper helps lift the bars out easily without sticking, ensuring perfect slices every time.

  • Check for Doneness: Use a toothpick to check if your S’mores Cookie Bars are done; it should come out clean. If the top is browning too quickly, cover with foil.

  • Metal Pan Advantage: Consider using a metal pan instead of glass for optimal baking results, as it promotes even browning and prevents overcooking.

  • Be Generous with Toppings: Don’t skimp on the chocolate and marshmallows on top! Adding more during the last few minutes of baking creates that gooey finish.

  • Store Properly: Keep leftover bars in an airtight container at room temperature to maintain their softness and gooey texture for up to a week.

How to Store and Freeze S’mores Cookie Bars

  • Room Temperature: Store S’mores Cookie Bars in an airtight container at room temperature for up to 5 days, ensuring they remain soft and chewy.

  • Fridge: If you prefer a firmer texture, keep the bars in the refrigerator for up to 1 week; just be sure to wrap them well to prevent drying out.

  • Freezer: For longer storage, freeze S’mores Cookie Bars in a single layer, wrapped tightly in plastic wrap and then in aluminum foil, for up to 3 months.

  • Reheating: To enjoy them warm, simply thaw them in the fridge overnight, then reheat in the microwave for about 15-20 seconds for that gooey goodness!

S’mores Cookie Bars Variations

Feel free to get creative with these scrumptious S’mores Cookie Bars and make them your own!

  • Dairy-Free: Swap unsalted butter for margarine to create a dairy-free version that still tastes delicious.

  • Vegan: Replace eggs with 1/4 cup applesauce to make these bars vegan-friendly without sacrificing flavor.

  • Gluten-Free: Use gluten-free graham crackers and a gluten-free flour blend to accommodate those with gluten sensitivities.

  • Nutty Crunch: Add crushed pecans or walnuts into the dough for delightful crunch and a richer flavor profile.

  • Caramel Swirl: Drizzle in caramel sauce before baking for an indulgent, gooey twist that elevates the flavor to divine levels.

  • Chocolate Lovers: Swap semi-sweet chocolate chips for dark chocolate chips or even try a mix of milk chocolate and white chocolate for a delightful surprise.

  • Spiced Flavor: Incorporate a teaspoon of cinnamon into your dough for a cozy, warm twist that adds depth to the dessert.

  • Heat Things Up: For those who love a kick, add a pinch of cayenne or chili powder to the chocolate for a surprising heat that complements the sweetness beautifully.

With these variations, you’ll have a dessert that caters to every taste, just like my beloved Blueberry Cookies Soft that are great for any gathering. Enjoy the fun of experimenting with your own S’mores Cookie Bars!

Make Ahead Options

These S’mores Cookie Bars are perfect for meal prep, making your life a little sweeter on busy weeknights! You can prepare the cookie dough up to 24 hours in advance and refrigerate it in an airtight container to maintain its freshness. Simply mix the ingredients and keep it chilled until you’re ready to bake. If you prefer, you can also assemble the entire dish, covering it tightly with plastic wrap, and refrigerate for up to 3 days. When you’re ready to enjoy, bake straight from the fridge, adding a few extra minutes to ensure they’re heated through. Trust me, your S’mores Cookie Bars will be just as delicious, offering a delightful treat with minimal effort!

S’mores Cookie Bars Recipe FAQs

How do I choose ripe ingredients for S’mores Cookie Bars?
Absolutely! When selecting your ingredients, especially the butter and eggs, make sure the butter is softened (not melted) for easy creaming with the sugars. For eggs, fresh ones work best; check the expiration date on the carton. If you’re opting for any substitutes, like applesauce for eggs, ensure it’s unsweetened to maintain the right balance of flavors.

What’s the best way to store S’mores Cookie Bars?
You can store your S’mores Cookie Bars in an airtight container at room temperature for up to 5 days; they’ll stay soft and chewy! If you notice them starting to dry out, you can place a slice of bread in the container to help retain moisture. For longer storage, refrigerate them for up to a week—just make sure to wrap them well to keep them from becoming too hard.

Can I freeze S’mores Cookie Bars, and how?
Yes, these bars freeze beautifully! For the best results, slice the bars after they’ve completely cooled, then wrap each piece tightly in plastic wrap and place them in a freezer-safe bag or container. They can be frozen for up to 3 months. When ready to enjoy, simply thaw them in the fridge overnight and reheat in the microwave for about 15-20 seconds for that freshly-baked taste.

What do I do if my S’mores Cookie Bars are too crumbly?
If your bars turn out crumbly, it may be due to overmixing or too much flour. When mixing your dough, combine until just blended—this helps maintain moisture. Also, consider using a kitchen scale to weigh ingredients; this can improve accuracy. If you encounter dryness, try adjusting the butter content slightly next time or adding a tablespoon of milk to the batter.

Can I modify the recipe for dietary restrictions, like allergies?
Definitely! For those with dairy allergies, margarine can replace butter, and a dairy-free chocolate bar can be used. If gluten is a concern, substitute regular graham crackers and flour with gluten-free versions. Just remember, if you’re using alternatives, keep an eye on texture since they can behave differently during baking.

Are there any pet-safe considerations for the ingredients used?
Very! While the ingredients in S’mores Cookie Bars are safe for humans, it’s important to note that chocolate is toxic to dogs and should never be shared with them. Keep an eye on where you store these bars to ensure your furry friends can’t get into them. Always err on the side of caution when it comes to sharing your baking creations with your pets!

S’mores Cookie Bars

Decadent S’mores Cookie Bars You’ll Want to Devour Today

No ratings yet
These S’mores Cookie Bars combine the nostalgic flavors of campfire treats in a quick and easy dessert form.
Prep Time 15 minutes
Cook Time 30 minutes
Cooling Time 30 minutes
Total Time 1 hour 15 minutes
Servings: 12 bars
Course: Dessert
Cuisine: American
Calories: 250

Ingredients
  

For the Base
  • 10 sheets Graham Crackers substitute with gluten-free for gluten-free option
  • 1 cup Unsalted Butter use margarine for dairy-free option
  • 1 cup Granulated Sugar can reduce for less sweetness
  • 1/2 cup Light Brown Sugar dark brown sugar can be used for richer taste
  • 2 Large Eggs substitute 1 egg with 1/4 cup applesauce for vegan version
  • 1 teaspoon Vanilla Extract use pure extract for best results
For the Dough
  • 2 cups All-Purpose Flour can use gluten-free flour as substitute
  • 1 teaspoon Salt essential for flavor
  • 1 teaspoon Baking Soda
For the Filling
  • 1 cup Semi-Sweet Chocolate Chips dark chocolate can be used for richer taste
  • 1 cup Mini Marshmallows large marshmallows can be cut up if mini aren’t available
  • 2 bars Hershey's Milk Chocolate Bars substitute with any preferred chocolate bar

Equipment

  • 9x13 inch baking pan
  • Mixing Bowl
  • whisk
  • Parchment Paper

Method
 

Step-by-Step Instructions
  1. Preheat your oven to 375°F (190°C) and prepare a 9x13 inch baking pan by lining it with parchment paper.
  2. Layer the bottom of the prepared pan with graham crackers, breaking them as necessary to fit snugly.
  3. Cream together 1 cup of unsalted butter with both granulated and brown sugars until light and fluffy. Add 2 large eggs and 1 teaspoon of vanilla extract, mixing until just combined. In a separate bowl, whisk together 2 cups of flour, 1 teaspoon of salt, and 1 teaspoon of baking soda before incorporating the dry ingredients into the wet mixture. Fold in 1 cup of chocolate chips and 1 cup of mini marshmallows.
  4. Spread the cookie dough mixture evenly over the graham crackers in the pan, pressing down slightly. Bake for 25-30 minutes until the edges are golden brown and a toothpick comes out clean.
  5. Remove from the oven and arrange the broken pieces of Hershey's chocolate bars on top. Allow the chocolate to soften for about 5 minutes.
  6. Cool the bars in the pan for 20-30 minutes until set. Lift out using the parchment paper and slice into squares.

Nutrition

Serving: 1barCalories: 250kcalCarbohydrates: 32gProtein: 2gFat: 12gSaturated Fat: 7gPolyunsaturated Fat: 1gMonounsaturated Fat: 4gCholesterol: 30mgSodium: 120mgPotassium: 90mgFiber: 1gSugar: 20gVitamin A: 200IUCalcium: 60mgIron: 1mg

Notes

Store leftovers in an airtight container for up to 5 days at room temperature.

Tried this recipe?

Let us know how it was!