S’mores Cookie Bars

S’mores Cookie Bars are the ultimate nostalgic dessert that brings the warmth of summer campfires right to your kitchen. With just a handful of simple ingredients, graham crackers, chocolate, marshmallows, and cookie dough, these bars are perfect for family meals, gatherings, or just a cozy night in.

S'mores Cookie Bars

Why You’ll Love This Recipe

  • Taste: The combination of chocolate, marshmallows, and graham crackers creates a heavenly flavor explosion.
  • Nostalgia: These bars remind us of childhood camping trips and roasting marshmallows over an open fire.
  • Simplicity: With minimal prep and cook time, these bars are easy to whip up.
  • Family Favorite: Perfect for kids and adults alike, these bars are sure to please everyone at the table.
  • Time-saving: No need for a campfire; these can be baked right in your oven!
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S'mores Cookie Bars

S’mores Cookie Bars


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  • Author: Lila
  • Total Time: 45 minutes
  • Yield: 12 bars

Description

S’mores Cookie Bars combine gooey marshmallows, melted chocolate, and a buttery graham cookie base for a nostalgic, crowd-pleasing dessert. These bars bake easily in one pan and deliver rich, comforting flavor.


Ingredients

1 1/2 cups graham cracker crumbs

3/4 cup unsalted butter, melted

1/2 cup brown sugar, packed

1 cup all-purpose flour

1 teaspoon baking soda

1/2 teaspoon salt

1 cup chocolate chips

1 1/2 cups mini marshmallows


Instructions

1. Preheat the oven to 350°F (175°C).

2. Line a 9×13-inch baking dish with parchment paper.

3. Mix graham cracker crumbs, melted butter, brown sugar, flour, baking soda, and salt.

4. Press two-thirds of the mixture into the bottom of the pan.

5. Sprinkle chocolate chips evenly over the base.

6. Add mini marshmallows on top.

7. Crumble remaining dough over the top layer.

8. Bake for 25–30 minutes until golden brown and marshmallows are toasted.

9. Cool for 15 minutes before slicing into bars.

10. Serve warm or at room temperature.

Notes

Spread marshmallows evenly to prevent burning.

Let bars cool fully for clean slices.

Use parchment paper for easy removal.

Add nuts or peanut butter chips for variation.

Store in airtight container for up to 3 days.

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

Ingredients You’ll Need

  • 1 ½ cups graham cracker crumbs (use gluten-free graham crackers for a gluten-free version)
  • ¾ cup unsalted butter, melted
  • ½ cup brown sugar, packed
  • 1 cup all-purpose flour (substitute with almond flour for a gluten-free option)
  • 1 teaspoon baking soda
  • ½ teaspoon salt
  • 1 cup chocolate chips (dark, milk, or semi-sweet, your choice!)
  • 1 ½ cups mini marshmallows

Why These Ingredients Work

The graham cracker crumbs provide a delightful crunch and a hint of sweetness, mimicking the classic s’mores crust. The melted butter binds everything together while adding richness.

Brown sugar enhances the depth of flavor with its molasses notes, making the cookie bars chewy and moist.

The combination of chocolate chips and mini marshmallows creates the iconic s’mores flavor, with gooey textures that melt in your mouth. This simple yet effective list of ingredients makes it easy for anyone to recreate this beloved treat!

Essential Tools and Equipment

  • Mixing bowl
  • 9×13-inch baking dish
  • Whisk
  • Spatula
  • Parchment paper

Step-by-Step Instructions

Step 1: Preheat Your Oven

Preheat your oven to 350°F (175°C). This is an important step as it ensures that your cookie bars bake evenly and rise properly.

Step 2: Prepare Your Baking Dish

Line a 9×13-inch baking dish with parchment paper, leaving some overhang on the sides. This will make it easier to lift the bars out once they’re baked.

Step 3: Make the Cookie Base

In a mixing bowl, combine graham cracker crumbs, melted butter, brown sugar, flour, baking soda, and salt. Mix until well combined and crumbly. Press two-thirds of this mixture evenly into the bottom of the prepared baking dish.

Step 4: Layer the Chocolate and Marshmallows

Sprinkle the chocolate chips over the pressed cookie base, followed by the mini marshmallows. Then, crumble the remaining cookie mixture on top, ensuring that some chocolate and marshmallows are still visible.

Step 5: Bake

Bake in the preheated oven for 25-30 minutes or until the top is golden brown and the marshmallows are toasted. Keep an eye on them to prevent burning.

Step 6: Cool and Serve

Allow the bars to cool in the pan for about 15 minutes. Use the parchment paper to lift them out, then cut into squares and serve warm for that gooey marshmallow experience!

S'mores Cookie Bars

You Must Know

Critical warnings: Make sure the marshmallows are spread evenly to prevent burning in spots.

Personal Secret: For the best results, let the bars cool completely before cutting; this will help them set and make for cleaner slices!

Pro Tips & Cooking Hacks

  • Use a pizza cutter for perfectly even squares.
  • Don’t skip the parchment paper; it makes removal so much easier.
  • For a fun twist, add crushed nuts or peanut butter chips.
  • Avoid overmixing the dough to keep your bars tender.

Flavor Variations & Suggestions

If you want to get creative, consider adding in some chopped Reese’s cups for a chocolate-peanut butter combo or a sprinkle of sea salt on top for a sweet and salty flavor.

You could even try using flavored chocolate chips, such as toffee or mint, to give these bars a unique twist!

Make-Ahead Options

You can prepare the cookie base ahead of time and store it in the fridge for up to 24 hours before baking. If you have leftovers, they can be stored in an airtight container for up to 3 days at room temperature.

For longer storage, freeze the bars in an airtight container for up to 2 months. Just thaw at room temperature before serving.

What to Serve With S’mores Cookie Bars

These cookie bars pair beautifully with a scoop of vanilla ice cream or a dollop of whipped cream. A warm cup of cocoa or a chilled glass of milk makes for a delightful accompaniment.

For a complete dessert spread, consider serving them alongside fresh fruit or a light dessert salad.

Allergy Information

This recipe contains common allergens such as gluten (from flour) and dairy (from butter and chocolate).

To make it gluten-free, substitute with almond flour and gluten-free graham crackers.

For a dairy-free version, use coconut oil instead of butter and dairy-free chocolate chips.

S'mores Cookie Bars

Storage & Reheating

Store any leftovers in an airtight container at room temperature for up to 3 days.

If you prefer them warm, simply reheat in the microwave for about 10-15 seconds or in the oven at 350°F for a few minutes until warmed through.

FAQ

Can I use regular marshmallows instead of mini?

Yes, you can use regular marshmallows, but cut them into smaller pieces to ensure even distribution and melting.

Can I add nuts to the recipe?

Absolutely! Chopped nuts like pecans or walnuts can add a nice crunch to the bars.

How do I know when they are done baking?

The bars are done when the top is golden brown, and the marshmallows are toasted. A toothpick inserted should come out clean or with a few moist crumbs.

Can I freeze these bars?

Yes, they freeze well! Just make sure to store them in an airtight container.

How should I cut the bars for the best presentation?

Use a sharp knife or a pizza cutter for clean cuts. For best results, dip your knife in warm water before slicing.

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