Home » Desserts » Cookies » S’mores Cookie Bars + Video
August 30, 2020 (last updated Apr 20, 2022) by Amber Brady34
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S’mores Cookie Bars are layered with graham crackers, cookie dough with marshmallows, and topped with chocolate bar pieces. It’s an ooey gooey melty chocolate s’mores treat!
Summer and s’mores go hand in hand. There’s nothing like that crunchy, melty, chocolatey campfire treat.
If you’re not a camper, or hate smelling like campfires, you can still enjoy those s’mores flavors in these s’mores cookie bars.
S’mores Cookie Bars
This dessert is a combination of s’mores and chocolate chip cookies. It’s easier to eat than traditional s’mores and way less messy, although not completely mess free if you decide to eat them warm. (Definitely recommended and preferred!)
Plus you don’t need to know how to start a fire to enjoy the toasted marshmallows sprinkled on top.
S’mores cookie bars combine the three key elements of s’mores:
- There is a layer of graham crackers on the bottom. Just like the base of campfire s’mores. It provides a nice sturdy layer to hold onto while eating.
- Then there is a layer of chocolate chip cookie dough with marshmallows folded right in. Place a few extra marshmallows on top before baking for that toasted marshmallow factor.
- After the cookie bars have been baked, Hershey’s chocolate bar pieces are placed on top get all melty.
You can enjoy these gooey chocolate chip cookie bars with marshmallows while still warm, or make them ahead of time. They are great for any get together because kids and adults alike love them.
Baking and Storage
You can grease a pan and bake these as usual, but I like to use parchment paper to make it super easy to lift the bars out of the pan and cut them while still warm.
Storage: Store s’mores cookie bars at room temperature in an airtight container or in the baking pan covered with plastic wrap.
You may store the bars in the refrigerator if you want the chocolate bars on top to set back up completely, otherwise they may remain soft. Especially in the hot summer months when your kitchen is warmer.
S’more Desserts
If you like these s’mores cookie bars, you’ll also love these s’mores desserts:
- S’mores Krispie Treats Recipe
- Smores Cookies
- S’mores Bars
- S’mores Pizza
- Smores Donut
- S’mores Roll Up
- Smores Bread
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S’mores Cookie Bars
Prep Time: 10 minutes
Cook Time: 30 minutes
Total Time: 40 minutes
Yield: 24 servings
S'mores Cookie Bars are layered with graham crackers, cookie dough with marshmallows, and topped with chocolate bar pieces.
Ingredients
- 7-8 graham crackers (full, unbroken rectangles)
- 1 cup (2 sticks) unsalted butter, room temperature
- 3/4 cup granulated sugar
- 3/4 cup light brown sugar, packed
- 2 large eggs
- 2 tsp vanilla extract
- 3 cups all-purpose flour
- 3/4 tsp salt
- 3/4 tsp baking soda
- 1/2 cup semi-sweet chocolate chips
- 1 cup mini marshmallows
- 2 regular sized (1.55oz) Hershey's Milk Chocolate Bars, broken into squares
Instructions
- Preheat oven to 375 degrees Fahrenheit. Line a 13x9-inch pan with parchment paper, leaving a 2-inch overhang on the sides.
- Place graham crackers in a layer covering the full pan, breaking graham crackers into sections as needed to fit properly.
- In the bowl of an electric mixer with the paddle attachment, cream together the butter and both sugars. Add eggs and vanilla. Mix and scrape bowl.
- In a large bowl, whisk together the flour, salt and baking soda. Add the flour mixture, chocolate chips, and mini marshmallows to the butter mixture. Mix until just combined.
- Evenly distribute the dough on top of the graham crackers and press flat. Top with additional mini marshmallows if desired.
- Bake at 375˚F for 25-30 minutes or until golden brown and a toothpick comes out clean from the center. Cover with foil if cookie dough browns faster than center bakes.
- Remove from oven and place chocolate bar pieces on top while still warm. Allow to cool for 20-30 minutes before lifting bars out of pan to cut and serve. NOTE: Chocolate bars may stay quite soft and melty at room temperature.
Notes
- Store at room temperature in an airtight container or in the baking pan covered with plastic wrap. May store in the refrigerator if you want the chocolate bars to set back up completely, otherwise they may remain soft.
- Alternately bake at 350˚F for about 35 minutes.
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*Originally published 7/24/12. Updated 8/30/20.
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Dawn — Reply
Good recipe! I followed the directions exactly as posted. I had never made cookie bars before so I was curious about what type of pan would be best to bake them in. From what I read a glass pan will bake the outer edges darker (more done) where some other options bake more evenly. Straight sides are nice for cookie bars too. I purchased a 9x13x2 aluminum anodized pan by Fat Daddio’s. I baked the cookie bars in that aluminum pan at 350 F for about 30 minutes and they came out very evenly baked. I appreciate the note about baking at 350 F as that worked good for the aluminum pan. The note gave me the idea to research the optimum baking temperature for an aluminum pan and 350 F was suggested. Thank you for the recipe!
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Amber Brady — Reply
Thanks for sharing your experience with the recipe Dawn! Glad it all worked out!
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Rae — Reply
Tried these last night for the first time and they were sooo yummy! My nephew said “this is the best cookie I’ve ever had!” I halved the recipe and cooked in a 9×9 pan + added some extra chocolate chips, but otherwise followed as written. Baked for 20 minutes uncovered, and baked an additional 5 minutes with foil on top. I will definitely make again!
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Amber Brady — Reply
I’m so glad you all enjoyed this recipe! Thanks for sharing your alterations to make it in a 9×9-inch pan!
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MARCY — Reply
Love this recipe and have made it several times. The edges always get hard no matter what I have tried. I have covered with foil, baked at 350, and undercooked. Any suggestions so I don’t keep ruining the bars. Thanks
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Amber Brady — Reply
What type of pan are you using? If it’s glass, that may be the culprit because glass pans take longer to conduct heat. Often times the edges become overcooked before the heat has transferred enough to cook through the center.
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Su McKenzie — Reply
These. Are. So. Good!!! Easy to make and got rave reviews at work!
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Amber Brady — Reply
I’m so glad to hear that!
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Tiana — Reply
Made this recipe turned out great ! How long do you think they last in the fridge for?
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Amber Brady — Reply
Glad it turned out well. It will probably last up to a week in the fridge.
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Michele — Reply
Another winner! These turned out SO good! I’m not sure about some of these comments about the dessert not turning out well. I followed the directions except used about 3/4 cup of chocolate chips because that’s what was left of the bag. I will definitely be making this again. Thank you for sharing!
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Amber Brady — Reply
Thanks for taking the time to share your experience with the recipe Michele! Glad you enjoyed it!
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Sheila Whitaker — Reply
Loved the recipe. Made them and they were delicious. Will probably make these again for fall for family.
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Amber Brady — Reply
I’m so glad to hear that Sheila! Thanks for taking the time to share your experience with the recipe.
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34 Comments on “S’mores Cookie Bars + Video”
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Hi, I’m Amber! I am a culinary graduate and dessert lover! This is where I share my favorite sweet and savory recipes alongside my knowledge and skills as a culinary graduate. I hope you find something you like!
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