Delicious gooey S'mores Cookie Bars topped with chocolate and marshmallows.

Gooey S’mores Cookie Bars

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Gooey S’mores Cookie Bars: A Cozy Celebration of Nostalgia

There’s something truly magical about S’mores. Whether it’s the delightful crunch of graham crackers, the creamy sweetness of chocolate, or the melt-in-your-mouth fluffiness of marshmallow, this classic treat brings warmth and joy, reminding us of summer nights spent around a campfire. Picture yourself gathered with friends and family under a starlit sky, toasting marshmallows to perfection and squishing them between those golden graham crackers. It’s a memory that never fades, and today, we’re bringing that nostalgia right into your home with these Gooey S’mores Cookie Bars!

These bars combine the best of both worlds: the irresistible cookie base and the dreamy filling of roasted marshmallows and rich chocolate. Perfect for a cozy night in or a gathering with loved ones, they are an easy weeknight dessert that will leave everyone wanting more. Trust me, this is one recipe you’ll definitely want to pin for later!

Why You’ll Love This Recipe

  • Easy to Make: Simple ingredients come together quickly for a no-fuss dessert, making it ideal for any occasion.
  • Crowd-Pleasing Delight: Friends and family will rave about these gooey, rich bars—perfect for parties or family gatherings!
  • Comforting Flavors: The classic combo of chocolate, marshmallow, and graham cracker lends warmth and familiarity in every bite.
  • Great for Sharing: Cut them into squares and share these bar cookies for a lovely treat at school, work, or potlucks.
  • Nostalgic Vibes: Each bite evokes memories of long summer nights, making this recipe a cozy reminder of cherished times.

Ingredients You’ll Need for Gooey S’mores Cookie Bars

Gathering the right ingredients is key to making these delicious bars. Here’s what you’ll need:

  • 1 cup softened butter
  • 1 cup brown sugar
  • 1 cup granulated sugar
  • 2 large eggs
  • 1 teaspoon vanilla extract
  • 2 cups all-purpose flour
  • 1 teaspoon baking soda
  • 1/2 teaspoon salt
  • 1 cup graham cracker crumbs
  • 2 Hershey’s chocolate bars, broken into pieces
  • 1 cup marshmallow fluff

Let’s Make It Together

Follow these simple steps to create your own batch of Gooey S’mores Cookie Bars:

  1. Preheat your oven to 350°F (175°C) and grease a 9×13-inch baking pan.
  2. In a large bowl, cream together the softened butter, brown sugar, and granulated sugar until fluffy and combined.
  3. Add the eggs and vanilla extract, mixing until well combined and creamy.
  4. In another bowl, whisk together the flour, baking soda, sea salt, and graham cracker crumbs until evenly combined.
  5. Gradually mix the dry ingredient mixture into the wet mixture until just combined—don’t overmix, as we want those bars to be tender!
  6. Spread half of the cookie dough evenly into the prepared pan, creating a lovely base.
  7. Layer the broken pieces of Hershey’s chocolate and spoonfuls of marshmallow fluff on top of the cookie layer. Don’t be shy—make it as gooey as you desire!
  8. Spoon the remaining cookie dough over the marshmallow fluff, covering it completely.
  9. Bake in your preheated oven for 25-30 minutes or until the top is golden brown and smells heavenly.
  10. Allow to cool before slicing into bars, then serve and enjoy the gooey goodness!

Fun Ways to Customize It

While these Gooey S’mores Cookie Bars are perfect as is, the magic of baking also allows for a little creativity! Here are some delicious variations to try:

  • Nutty Crunch: Add 1 cup of chopped walnuts or pecans to the cookie dough for added texture and flavor.
  • Chocolate Overload: Swap out Hershey’s chocolate bars with your favorite chocolate chips—dark chocolate, milk chocolate, or even a mix for a rich flavor.
  • Flavored Marshmallow: Use flavored marshmallow fluff, such as strawberry or chocolate, to give a unique twist to each bite!
  • Layered Goodness: Incorporate crushed peppermint candies or caramel bits throughout for a seasonal delight, especially during the holiday season.

Chef Emma’s Helpful Tips

To ensure your Gooey S’mores Cookie Bars turn out perfectly every time, keep these tips in mind:

  • Let Them Cool: Allowing the bars to cool before slicing helps them set better and makes for cleaner cuts.
  • Store Properly: Keep leftovers in an airtight container at room temperature for up to 4 days. They can also be frozen for later enjoyment!
  • Use Parchment Paper: Lining the baking pan with parchment paper can make removal and cleanup a breeze.
  • Experiment with Mix-ins: Feel free to explore additional mix-ins such as coconut flakes or peanut butter chips for even more layers of flavor.

Calories & Nutrition Details

Here’s a quick glance at the nutrition breakdown for each bar (based on 24 servings):

  • Serving Size: 1 bar
  • Calories: 190
  • Total Carbohydrates: 26g
  • Sugars: 14g
  • Total Fat: 8g
  • Protein: 2g
  • Sodium: 140mg

Frequently Asked Questions

Can I make this ahead?
Absolutely! You can prepare these bars a day in advance. Just bake, allow to cool, and store them covered at room temperature.

Can I use different ingredients?
Sure! Feel free to substitute butter with coconut oil for a dairy-free alternative or use gluten-free flour if necessary.

How do I store leftovers?
Place leftover bars in an airtight container at room temperature to maintain their soft texture.

How long does it last?
When stored properly, these delicious bars can last for up to 4 days, or a few months in the freezer.

A Cozy Closing Note

These Gooey S’mores Cookie Bars are more than just a dessert; they are a celebration of comfort, nostalgia, and the sweet little moments we share with those we love. As you bite into their soft, chewy goodness, let them transport you back to those summer nights where laughter mingled with the sweet scent of toasted marshmallows. Save this Gooey S’mores Cookie Bars recipe to your Pinterest board so it’s ready when you need a cozy treat! Happy baking!

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Gooey S’mores Cookie Bars


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  • Author: Chef Emma
  • Total Time: 45 minutes
  • Yield: 24 servings 1x
  • Diet: Vegetarian

Description

Delicious cookie bars infused with the classic flavors of s’mores, featuring a creamy filling of chocolate and marshmallow fluff.


Ingredients

Scale
  • 1 cup softened butter
  • 1 cup brown sugar
  • 1 cup granulated sugar
  • 2 large eggs
  • 1 teaspoon vanilla extract
  • 2 cups all-purpose flour
  • 1 teaspoon baking soda
  • 1/2 teaspoon salt
  • 1 cup graham cracker crumbs
  • 2 Hershey’s chocolate bars, broken into pieces
  • 1 cup marshmallow fluff

Instructions

  1. Preheat your oven to 350°F (175°C) and grease a 9×13-inch baking pan.
  2. Cream together the softened butter, brown sugar, and granulated sugar until fluffy and combined.
  3. Add the eggs and vanilla extract, mixing until well combined and creamy.
  4. Whisk together the flour, baking soda, sea salt, and graham cracker crumbs until evenly combined.
  5. Gradually mix the dry ingredient mixture into the wet mixture until just combined.
  6. Spread half of the cookie dough evenly into the prepared pan.
  7. Layer the broken pieces of Hershey’s chocolate and spoonfuls of marshmallow fluff on top.
  8. Spoon the remaining cookie dough over the marshmallow fluff.
  9. Bake in the preheated oven for 25-30 minutes or until golden brown.
  10. Allow to cool before slicing into bars, then serve and enjoy!

Notes

For best results, let the bars cool before slicing. Store leftovers in an airtight container at room temperature for up to 4 days.

  • Prep Time: 15 minutes
  • Cook Time: 30 minutes
  • Category: Dessert
  • Method: Baking
  • Cuisine: American

Nutrition

  • Serving Size: 1 bar
  • Calories: 190
  • Sugar: 14g
  • Sodium: 140mg
  • Fat: 8g
  • Saturated Fat: 4g
  • Unsaturated Fat: 2g
  • Trans Fat: 0g
  • Carbohydrates: 26g
  • Fiber: 1g
  • Protein: 2g
  • Cholesterol: 30mg

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