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Gooey S’mores Cookie Bars: A Must-Try Family Treat

The moment the oven timer dings, a heavenly aroma starts to drift through my kitchen, reminiscent of summer nights around the campfire. That’s exactly what you’ll experience with these S’mores Cookie Bars—a delightful fusion of classic s’mores flavors, featuring a crunchy graham cracker base topped with ooey-gooey marshmallows and rich chocolate. This easy recipe is not just a crowd-pleaser; it’s also a family-friendly treat that’s perfect for cozy gatherings or a sweet escape right at home. Whether you’re hosting friends or simply indulging in a weeknight dessert, these bars deliver both nostalgia and comfort in every bite. Curious about how to create this sweet masterpiece? Let’s get started!

Why are these S’mores Cookie Bars irresistible?

Nostalgic Flavors: Each bite transports you back to campfire nights, blending sweet memories with delightful textures.
Gooey Goodness: The combination of melted chocolate and soft marshmallows creates an indulgent treat that’s hard to resist.
Family-Friendly: Fun to make and eat, these bars are perfect for all ages, making them a hit at any gathering.
Easy to Prepare: With simple ingredients and straightforward steps, you’ll have a delectable dessert ready in no time! For more scrumptious ideas, check out my easy dessert recipes.
Versatile Twist: Feel free to customize with your favorite add-ins or toppings for a personal touch. Whether you’re craving a comfort food moment or just something sweet, these bars deliver deliciously every time!

S’mores Cookie Bars Ingredients

  • For the Cookie Base

  • Graham Crackers – Provides the crunchy base; can substitute with gluten-free options if desired.

  • Unsalted Butter – Adds richness and moisture to the dough; keep at room temperature for easy creaming.

  • Granulated Sugar – Sweetness; pairs well with brown sugar for depth of flavor.

  • Brown Sugar – Contributes moisture and chewiness; essential for that perfect S’mores Cookie Bars texture.

  • Eggs – Acts as a binding agent; use large eggs for the best results.

  • Vanilla Extract – Enhances the overall flavor; for a stronger taste, opt for pure vanilla extract.

  • All-Purpose Flour – Gives structure to the bars; avoid overmixing for a tender texture.

  • Salt – Balances sweetness; using kosher salt lends a milder flavor.

  • Baking Soda – Helps with leavening for a perfect rise.

  • For the Filling

  • Chocolate Chips – Adds gooeyness and sweetness; use semi-sweet or milk chocolate depending on your preference.

  • Mini Marshmallows – Creates that irresistible gooey texture; essential for a classic S’mores experience.

  • For the Topping

  • Hershey’s Milk Chocolate Bars – Melts beautifully on top for a decadent finish; dark chocolate can be used for a richer taste.

With these ingredients in hand, you’re one step closer to delicious S’mores Cookie Bars that will surely delight your family and friends!

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

Step 1: Prepare Oven and Pan
Begin by preheating your oven to 375°F (190°C). Line a 9×13-inch baking pan with parchment paper, allowing some overhang for easy removal later. This creates a non-stick surface that will make lifting out your S’mores Cookie Bars a breeze once they’re baked.

Step 2: Make Graham Cracker Base
Take your graham crackers and arrange them in a single layer across the bottom of the prepared pan. This crunchy foundation will provide the essential texture for your S’mores Cookie Bars. Be sure to cover the entire surface, as this will hold in the gooey goodness to come.

Step 3: Prepare Cookie Dough
In a large mixing bowl, cream together 1 cup of softened unsalted butter, ½ cup of granulated sugar, and ½ cup of brown sugar until light and fluffy, about 3-4 minutes. Add in 2 large eggs and 1 teaspoon of vanilla extract, mixing until well combined. In another bowl, whisk together 2 cups of all-purpose flour, ½ teaspoon of baking soda, and ½ teaspoon of salt, then fold this into the wet mixture along with 1 cup of chocolate chips and 1 cup of mini marshmallows.

Step 4: Assemble
Spread the cookie dough evenly over the graham cracker base using a spatula. Make sure to cover all the crackers completely for an even bake. The cookie dough will create a rich, chewy layer that complements the crunchy graham cracker and the gooey toppings nestled underneath.

Step 5: Bake
Place the pan in your preheated oven, baking for 25-30 minutes until its edges are golden brown and a toothpick inserted into the center comes out clean. Keep an eye on your S’mores Cookie Bars; you want a slight firm bounce in the center while ensuring the top is beautifully set.

Step 6: Add Topping
Once baked, remove the bars from the oven and immediately lay Hershey’s chocolate bars across the top. Allow the warmth of the bars to melt the chocolate slightly—this will create a luscious topping that ties all the flavors of your S’mores Cookie Bars together beautifully.

Step 7: Cool and Slice
Let your S’mores Cookie Bars cool in the pan for about 10-15 minutes. Once slightly cooled, use the parchment overhang to lift them out of the pan and onto a cutting board. Slice them into squares or rectangles with a sharp knife for clean edges, and let the bars cool completely before serving to enjoy that gooey texture.

S’mores Cookie Bars: Customization Ideas

Embrace your creativity and make these S’mores Cookie Bars your own with delightful twists and substitutions!

  • Gluten-Free: Use gluten-free graham crackers and flour for a completely gluten-free dessert that everyone can enjoy.
  • Nutty Flavor: Substitute almond butter or peanut butter for half of the butter to add a delightful nuttiness. It adds depth and a new layer of flavor to the cookie base.
  • Crunchy Texture: Mix in ½ cup of chopped nuts, like walnuts or pecans, for a satisfying crunch that complements the gooeyness beautifully.
  • Chocolate Variety: Swap classic chocolate chips for butterscotch chips or peanut butter chips for a unique flavor twist that still feels like a treat.
  • Marshmallow Substitute: Try using roasted marshmallows for an extra toasty flavor that takes your S’mores experience to the next level. You can also explore making your own toasted marshmallow fluff to spread atop the bars!
  • Spicy Kick: Add a pinch of cayenne pepper or cinnamon to the cookie dough for a subtle warmth and unexpected burst of flavor that intrigues the palate.
  • Fruit Addition: Incorporate dried fruits like cranberries or cherries for a burst of tanginess that cuts through the sweetness beautifully.
  • Decorative Topping: Top with crushed graham crackers or a drizzle of caramel sauce after baking for an eye-catching finish alongside your chocolate topping.

Feel free to explore these variations and adapt the recipe to suit your family’s taste! If you’re in need of more dessert inspiration, check out my collection of easy dessert recipes.

Storage Tips for S’mores Cookie Bars

  • Room Temperature: Store your S’mores Cookie Bars in an airtight container at room temperature for up to 1 week to maintain their soft and gooey texture.
  • Freezer: For longer storage, wrap individual bars in plastic wrap and place them in a freezer-safe bag or container. They can be frozen for up to 3 months.
  • Thawing: To enjoy your frozen S’mores Cookie Bars, simply remove them from the freezer and let them thaw at room temperature for about 30 minutes. Reheat in the microwave for a few seconds for gooeyness.
  • Reheating: If you prefer them warm, reheat slice(s) in the microwave for about 10-15 seconds to achieve that fresh-out-of-the-oven experience again!

Expert Tips for S’mores Cookie Bars

  • Softened Butter: Ensure your unsalted butter is softened to room temperature; this helps it cream easily with the sugars, resulting in a smoother dough.

  • Baking Time: Keep an eye on your cookie bars as they bake; overbaking can lead to dryness. The edges should be golden, but the center should still feel slightly soft.

  • Gooey Texture: For maximum gooeyness, serve these S’mores Cookie Bars warm. You can briefly reheat leftovers in the microwave for that melted chocolate and marshmallow effect.

  • Easy Slicing: For clean cuts, use a sharp knife dipped in warm water, wiping it between slices. This will help you achieve neat, attractive bars.

  • Storage Tips: Keep your S’mores Cookie Bars in an airtight container at room temperature to retain their soft texture. They stay delicious for up to a week!

Make Ahead Options

These S’mores Cookie Bars are perfect for busy home cooks looking to streamline their meal prep! You can prepare the cookie dough up to 24 hours in advance, wrapping it tightly in plastic wrap and refrigerating to maintain its freshness. To do this, follow the instructions until the dough is fully mixed, then layer it in the prepared pan over the graham cracker base. When you’re ready to bake, simply remove it from the fridge and allow it to sit at room temperature for about 30 minutes before popping it in the oven. This ensures your S’mores Cookie Bars come out just as gooey and delicious!

What to Serve with S’mores Cookie Bars

Indulge in delightful flavor combinations that elevate your S’mores Cookie Bars into a full-family feast!

  • Vanilla Ice Cream: A classic pairing that adds creaminess and a cool contrast to the warm, gooey bars.

  • Fresh Berries: The tartness of strawberries or raspberries cuts through the sweetness, offering a refreshing bite alongside the gooey treat.

  • Hot Chocolate: Rich and comforting, a warm mug of hot cocoa enhances the cozy essence of s’mores, perfect for any chilly evening.

  • Roasted Marshmallows: For a campfire feel, serve some toasted marshmallows on the side. Their crispy exterior and gooey interior complement the bars beautifully.

  • Coffee: A rich, bold brew pairs wonderfully with sweet desserts, enhancing the chocolate flavors while rounding out a delightful afternoon treat.

  • Peanut Butter Drizzle: Drizzling smooth peanut butter over the bars not only adds an enticing flavor contrast but also brings a nutty richness to your dessert experience.

Each pairing enhances the delightful experience of S’mores Cookie Bars, creating memorable moments for family and friends to relish together. Enjoying these treats is all about bringing warmth and connection to your table!

S’mores Cookie Bars Recipe FAQs

How do I choose the right graham crackers?
Absolutely! When selecting graham crackers for your S’mores Cookie Bars, look for those with a crunchy texture and rich flavor. I recommend checking for freshness—avoid any packets with dark spots or a stale smell. If you prefer a gluten-free option, many brands now offer gluten-free graham crackers that work wonderfully as a substitute.

How should I store my S’mores Cookie Bars?
Very simple! To keep your S’mores Cookie Bars soft and delicious, store them in an airtight container at room temperature for up to 1 week. Make sure they cool completely before sealing to prevent moisture buildup that could make them soggy.

Can I freeze S’mores Cookie Bars?
Certainly! For longer storage, you can freeze your S’mores Cookie Bars. Just wrap each bar tightly in plastic wrap and place them in a freezer-safe bag or container. They can be frozen safely for up to 3 months. To enjoy, simply take out a bar, let it thaw at room temperature for about 30 minutes, and then reheat briefly in the microwave for that gooey, fresh-baked taste.

What should I do if my bars turn out too dry?
No worries! If your S’mores Cookie Bars come out drier than expected, it may be due to overbaking. Always check for doneness a few minutes before the recommended baking time. If they’re looking golden and a toothpick inserted comes out clean, remove them from the oven. You can also fix dry bars by warming individual slices in the microwave for a few seconds. This reintroduces moisture and makes them delightful again!

Are there any allergy considerations for the ingredients?
Absolutely! When making S’mores Cookie Bars, be mindful of allergies. This recipe contains common allergens such as gluten from the graham crackers and eggs. If you’re catering to allergies, consider using gluten-free graham crackers, egg substitutes, and dairy-free chocolate. Always check packaging for potential cross-contamination if allergies are a significant concern.

Can I prepare the dough ahead of time?
Yes, you can! Preparing the dough ahead of time is a fantastic idea for a busy week. Mix all the ingredients, then layer the assembled graham cracker base and cookie dough in your baking pan. Cover it with plastic wrap and store it in the refrigerator for up to 24 hours. When you’re ready to bake, simply preheat the oven and bake as directed! This makes it super convenient for last-minute get-togethers or sweet cravings.

S’mores Cookie Bars

Gooey S’mores Cookie Bars: A Must-Try Family Treat

Experience the nostalgic flavors of S’mores in these gooey cookie bars, perfect for family gatherings or cozy nights.
Print Recipe Pin Recipe
Prep Time 15 minutes mins
Cook Time 30 minutes mins
Cooling Time 15 minutes mins
Total Time 1 hour hr
Servings: 12 bars
Course: Desserts
Cuisine: American
Calories: 250
Ingredients Equipment Method Nutrition Notes

Ingredients
  

For the Cookie Base
  • 10 sheets Graham Crackers Can substitute with gluten-free options
  • 1 cup Unsalted Butter Keep at room temperature
  • 1/2 cup Granulated Sugar Pairs well with brown sugar
  • 1/2 cup Brown Sugar Essential for texture
  • 2 large Eggs Acts as a binding agent
  • 1 teaspoon Vanilla Extract Opt for pure vanilla for stronger taste
  • 2 cups All-Purpose Flour Avoid overmixing
  • 1/2 teaspoon Salt Kosher salt lends a milder flavor
  • 1/2 teaspoon Baking Soda Helps with leavening
For the Filling
  • 1 cup Chocolate Chips Semi-sweet or milk chocolate
  • 2 cups Mini Marshmallows Essential for gooey texture
For the Topping
  • 4 bars Hershey’s Milk Chocolate Bars Dark chocolate can be used for a richer taste

Equipment

  • oven
  • 9x13-inch baking pan
  • mixing bowls
  • spatula
  • Parchment paper

Method
 

Step-by-Step Instructions
  1. Preheat your oven to 375°F (190°C) and line a 9x13-inch baking pan with parchment paper.
  2. Arrange graham crackers in a single layer across the bottom of the prepared pan.
  3. In a bowl, cream together butter, granulated sugar, and brown sugar until light and fluffy. Mix in eggs and vanilla extract.
  4. In another bowl, whisk together flour, baking soda, and salt. Fold this into the wet mixture along with chocolate chips and mini marshmallows.
  5. Spread the cookie dough evenly over the graham cracker base.
  6. Bake for 25-30 minutes until edges are golden brown and a toothpick comes out clean.
  7. Lay Hershey’s chocolate bars across the top while still warm.
  8. Let the bars cool in the pan for 10-15 minutes, then slice into squares.

Nutrition

Serving: 1barCalories: 250kcalCarbohydrates: 30gProtein: 3gFat: 12gSaturated Fat: 7gPolyunsaturated Fat: 1gMonounsaturated Fat: 4gCholesterol: 30mgSodium: 150mgPotassium: 60mgFiber: 1gSugar: 15gVitamin A: 250IUCalcium: 40mgIron: 1mg

Notes

Store in an airtight container at room temperature for up to a week. For maximum gooeyness, serve warm. Reheat leftovers briefly in the microwave.

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