S’mores Cookie Bars
DESSERTS

Irresistible S’mores Cookie Bars You’ll Crave All Year!

There’s something truly nostalgic about the combination of chocolate, marshmallows, and graham crackers—each bite transports me back to summer campfires and late-night stories under the stars. When I discovered a way to bring that comforting feeling into my kitchen without the mess of an open flame, I knew I had to share it.

Introducing S’mores Cookie Bars: an indulgent treat that perfectly marries cookie dough with all the beloved flavors of classic s’mores. These bars are not just a whimsical twist on a favorite camping dessert; they’re easily made in the cozy confines of your kitchen and guaranteed to be a crowd pleaser, whether for a potluck or a cozy family night in.

With just a few simple ingredients—think buttery cookie dough, rich Hershey bars, and fluffy marshmallow goodness—you’ll create a dessert that delights and satisfies. Trust me, once you take a bite of these gooey, sweet bars, you’ll see why they’ve quickly become a beloved staple in my home. Let’s dive into the recipe and rekindle those sweet childhood memories together!

Why are S’mores Cookie Bars a Must-Try?

Irresistible flavor combination: These bars blend the best of cookie dough, chocolate, and marshmallows into one delicious dessert.
Effortless preparation: With straightforward steps, you can whip these up even on a busy day.
Warming nostalgia: Each bite offers a taste of childhood campfire gatherings, making them perfect for family and friends.
Versatile treats: Great for any occasion, whether it’s a cozy night at home or a lively potluck.
Gooey goodness: The delightful layers of melty chocolate and marshmallow fluff guarantee to satisfy your sweet tooth!

For more delightful dessert ideas, check out my mouthwatering Chocolate Chip Cookie Recipe.

S’mores Cookie Bars Ingredients

Let’s gather everything you need to create these scrumptious S’mores Cookie Bars!

For the Cookie Dough

  • 1/2 cup Butter – softened, either salted or unsalted will work perfectly.
  • 1/3 cup brown sugar – it adds a rich, caramel flavor that enhances the bars.
  • 1/4 cup granulated sugar – for just the right amount of sweetness.
  • 1 egg – binds all the ingredients together for a chewy texture.
  • 1 tsp vanilla extract – extracts bring out the flavors beautifully!
  • 1 1/2 cup AP flour – the base of your delicious cookie dough.
  • 1/4 tsp salt – balances the sweetness for a well-rounded taste.
  • 3/4 tsp baking soda – helps the cookie dough rise for a perfect texture.
  • 1/2 cup graham crackers – finely crushed, about 3.5 sheets; this adds the classic s’mores taste.

For the S’mores Layer

  • 5 standard Hershey bars – the chocolate layer that’s essential for that s’mores flavor.
  • 1 1/2 cup Marshmallow fluff – gives that gooey, delightful finish to each bar.

Now that you have your ingredients ready, it’s time to dive into the fun part—baking these irresistible S’mores Cookie Bars!

How to Make S’mores Cookie Bars

  1. Preheat the oven: Set your oven to 350°F (175°C) to prepare for baking these delicious bars. Thank you, preheating, for that perfectly baked finish!

  2. Cream the butter and sugars: In a mixing bowl, combine the softened butter, brown sugar, and granulated sugar. Beat together until the mixture is smooth and creamy, which should take about 2-3 minutes.

  3. Add the egg and vanilla: Crack in the egg and pour in the vanilla extract. Beat until fully incorporated, ensuring a wonderful flavor throughout your dough.

  4. Mix in the dry ingredients: Gradually add the all-purpose flour, crushed graham crackers, salt, and baking soda. Stir until just combined, being cautious not to overmix; we’ll want that perfect cookie texture!

  5. Press the dough: Take half of your cookie dough and press it into the bottom of a greased baking dish. Aim for an even layer that covers the base completely.

  6. Layer the chocolate: Carefully lay out the Hershey bars evenly over the layer of cookie dough. Make sure each bite will have a taste of chocolatey goodness!

  7. Spread the marshmallow fluff: Generously spread the marshmallow fluff over the chocolate layer, creating a delightfully gooey top that’s sure to be the star of your bars.

  8. Crumble the remaining cookie dough: Take the other half of the cookie dough and crumble it on top of the marshmallow fluff, ensuring even coverage for that cookie crust.

  9. Bake the bars: Place the dish in the preheated oven and bake for 25-30 minutes, or until the top is golden brown and the filling is bubbly. Your kitchen will smell amazing!

  10. Cool and serve: Once baked, allow the S’mores Cookie Bars to cool in the baking dish before cutting them into squares. This step is crucial to let everything set perfectly!

Optional: Drizzle some melted chocolate on top for an extra decadent touch!

Exact quantities are listed in the recipe card below.

S’mores Cookie Bars

S’mores Cookie Bars Variations

Feel free to ignite your creativity and tailor these bars to your taste buds!

  • Nutty Boost: Add 1/2 cup of chopped nuts, like pecans or walnuts, for a delightful crunch and extra flavor.

  • Dairy-Free: Use coconut oil or vegan butter in place of regular butter and switch to dairy-free chocolate bars for a delicious alternative.

  • Flavorful Extracts: Experiment with different extracts, like almond or hazelnut, to infuse a new layer of flavor into the cookie dough.

  • Peppermint Twist: Add a few drops of peppermint extract and top with crushed candy canes for a festive treat during the holidays.

  • Spicy Kick: Sprinkle a pinch of cayenne pepper or chili powder into the cookie dough for an unexpected yet exciting heat that pairs wonderfully with chocolate.

  • Fruit Fusion: Fold in 1/2 cup of dried fruits, like cherries or cranberries, for a chewy texture and a pop of tangy flavor amidst the sweetness.

  • Cheesecake Layer: Combine 8 oz of cream cheese with sugar and vanilla, and spread it over the chocolate layer before topping with the marshmallow fluff for a luscious twist.

  • S’mores Remix: Instead of Hershey bars, use chocolate peanut butter cups for a rich, nutty flavor that elevates this indulgent dessert.

What to Serve with S’mores Cookie Bars?

Indulging in these sweet treats opens a world of delightful pairings that please the palate.

  • Vanilla Ice Cream: A scoop of creamy vanilla adds a coolness that beautifully contrasts the warmth of the bars.
  • Chocolate Sauce: Drizzle over the top for an extra layer of indulgence, enchanting every bite with rich chocolatey goodness.
  • Fresh Berries: Strawberries or raspberries provide a refreshing burst of tanginess, balancing the sweetness and adding a fruity flair.
  • Milkshake: A thick chocolate or vanilla milkshake enhances the fun, creating a nostalgic combination reminiscent of childhood treats.
  • Coffee: Whether hot or iced, the deep flavors of coffee elevate the sweetness, creating a perfect blend for elevated dessert moments.
  • Nutty Trail Mix: For a crunchy complement, serve with a homemade trail mix; the nuts add protein and a satisfying crunch to your sweet experience.
  • Hot Chocolate: Nothing beats a cozy cup of hot chocolate, wrapping you in warmth while you savor your gooey cookie bars.
  • Caramel Drizzle: Soft, gooey caramel sauce adds an irresistible sweetness, making each bite feel like a special occasion.

Enjoy creating memorable moments with these delightful pairings alongside your S’mores Cookie Bars!

Expert Tips for S’mores Cookie Bars

  • Butter Temperature: Use softened butter: If your butter is too firm, it won’t cream well with the sugars, impacting texture.

  • Crush Evenly: Graham crackers matter: Ensure they are finely crushed so they blend seamlessly into the cookie dough, contributing to that s’mores flavor.

  • Layer Wisely: Chocolate distribution: Arrange the Hershey bars evenly to ensure every bite has a delicious chocolate hit.

  • Don’t Overmix: Cookie dough caution: Mix until just combined to keep your S’mores Cookie Bars chewy and tender—overmixing can lead to tougher bars.

  • Cool Before Cutting: Patience pays off: Allow the bars to cool before slicing; this helps the layers set for clean cuts and perfect bites.

How to Store and Freeze S’mores Cookie Bars

Room Temperature: Keep your S’mores Cookie Bars in an airtight container, and they will stay fresh for up to 3 days on your counter. Enjoy these gooey treats right away!

Fridge: For longer storage, place the bars in the fridge in an airtight container. They will remain delicious for up to a week, but let them sit at room temperature for a few minutes before enjoying.

Freezer: To freeze, wrap each bar individually in plastic wrap, then place them in a freezer-safe bag. They can last up to 3 months. Thaw overnight in the fridge or at room temperature before serving.

Reheating: If you prefer them warm, microwave a bar for about 10-15 seconds. This will restore the melty marshmallow and chocolate goodness that makes your S’mores Cookie Bars truly irresistible!

Make Ahead Options

These S’mores Cookie Bars are a fantastic option for meal prep, making your weeknight baking a breeze! You can prepare the cookie dough and store it in the refrigerator for up to 24 hours. Simply cream together the butter, sugars, egg, and vanilla, then mix in the dry ingredients, and refrigerate the uncooked dough wrapped in plastic. You can also layer the Hershey bars and marshmallow fluff in the baking dish in advance and keep it covered in the fridge for up to 3 days. When you’re ready to bake, just crumble the remaining cookie dough on top and pop it in the oven for irresistibly gooey bars that taste as if they were freshly made!

S’mores Cookie Bars

S’mores Cookie Bars Recipe FAQs

How do I choose the right butter for the cookie dough?
You can use either salted or unsalted butter, depending on your preference. I often recommend unsalted butter since it allows you to control the overall saltiness of the bars. Just make sure it’s softened at room temperature to cream well with the sugars!

What is the best way to store my S’mores Cookie Bars?
Keep them in an airtight container at room temperature for up to 3 days. If you want to extend their freshness, refrigerate them for up to a week. Just let them sit at room temperature for a bit before enjoying to restore that gooey texture!

Can I freeze S’mores Cookie Bars? How?
Absolutely! To freeze, wrap each bar individually in plastic wrap, then place them in a freezer-safe bag or container. They can last up to 3 months. When you’re ready to enjoy them, thaw overnight in the fridge or leave them at room temperature for about 30 minutes.

Why are my cookie bars not cooking evenly?
If you notice uneven cooking, it could be because your oven temperature is off. I recommend using an oven thermometer for accuracy. Also, if your baking dish is not greased well enough or is too small, the bars may bake unevenly. Always press the dough down evenly in the dish for the best results!

Are there any allergen considerations for this recipe?
Yes, this recipe contains common allergens like wheat (in the flour), dairy (in the butter and marshmallow fluff), and eggs. If you’re cooking for anyone with allergies, consider using gluten-free flour or egg substitutes like applesauce or flaxseed meal. Always double-check labels for hidden allergens in products like chocolate and marshmallow fluff.

S’mores Cookie Bars

Irresistible S’mores Cookie Bars You’ll Crave All Year!

These S’mores Cookie Bars combine chocolate, marshmallows, and graham crackers for a nostalgic and indulgent treat.
Prep Time 15 minutes
Cook Time 30 minutes
Cooling Time 10 minutes
Total Time 55 minutes
Servings: 12 bars
Course: DESSERTS
Cuisine: American
Calories: 200

Ingredients
  

For the Cookie Dough
  • 1/2 cup Butter softened, either salted or unsalted will work perfectly.
  • 1/3 cup Brown sugar adds a rich, caramel flavor that enhances the bars.
  • 1/4 cup Granulated sugar for just the right amount of sweetness.
  • 1 large Egg binds all the ingredients together for a chewy texture.
  • 1 tsp Vanilla extract brings out the flavors beautifully!
  • 1.5 cups AP flour the base of your delicious cookie dough.
  • 1/4 tsp Salt balances the sweetness for a well-rounded taste.
  • 3/4 tsp Baking soda helps the cookie dough rise for a perfect texture.
  • 1/2 cup Graham crackers finely crushed, about 3.5 sheets; adds the classic s’mores taste.
For the S’mores Layer
  • 5 bars Hershey bars the chocolate layer that’s essential for that s’mores flavor.
  • 1.5 cups Marshmallow fluff gives that gooey, delightful finish to each bar.

Equipment

  • Mixing Bowl
  • Baking Dish
  • Oven

Method
 

How to Make S’mores Cookie Bars
  1. Preheat the oven: Set your oven to 350°F (175°C) to prepare for baking these delicious bars.
  2. Cream the butter and sugars: In a mixing bowl, combine the softened butter, brown sugar, and granulated sugar. Beat together until smooth and creamy, about 2-3 minutes.
  3. Add the egg and vanilla: Crack in the egg and pour in the vanilla extract. Beat until fully incorporated.
  4. Mix in the dry ingredients: Gradually add the all-purpose flour, crushed graham crackers, salt, and baking soda. Stir until just combined.
  5. Press the dough: Take half of your cookie dough and press it into the bottom of a greased baking dish.
  6. Layer the chocolate: Lay out the Hershey bars evenly over the layer of cookie dough.
  7. Spread the marshmallow fluff: Spread the marshmallow fluff over the chocolate layer.
  8. Crumble the remaining cookie dough: Take the other half of the cookie dough and crumble it on top of the marshmallow fluff.
  9. Bake the bars: Place the dish in the preheated oven and bake for 25-30 minutes, or until golden brown.
  10. Cool and serve: Allow the S’mores Cookie Bars to cool in the baking dish before cutting them into squares.

Nutrition

Serving: 1barCalories: 200kcalCarbohydrates: 30gProtein: 2gFat: 9gSaturated Fat: 5gMonounsaturated Fat: 2gCholesterol: 25mgSodium: 150mgPotassium: 50mgFiber: 1gSugar: 15gVitamin A: 250IUCalcium: 30mgIron: 1mg

Notes

Optional: Drizzle melted chocolate on top for an extra decadent touch.

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