White Chocolate S’mores Gooey Cake Bars

These White Chocolate S’mores Gooey Cake Bars are so chewy and decadent, and they’re filled with your favorite s’mores flavors! This recipe uses white chocolate, but you can certainly substitute it with milk or dark chocolate if you’d prefer.

Image of White Chocolate S'mores Gooey Cake Bars

White Chocolate S’mores Gooey Cake Bars

Ok, these newest gooey bars might just be my favorite yet! I had the idea instead of traditional chocolate s’mores why not play around with a white chocolate s’mores bar….and make it gooey and cake like 🙂

You will absolutely not be disappointed with this one, they are perfect to transport to a party, enjoying on family night or who am I kidding, any night!

Hope you enjoy!

Image of Ingredients for White Chocolate S'mores Gooey Cake Bars

How to Make These Marshmallow Cake Bars

Here is your line-up…Yellow cake mix (plus 1 stick of butter and 1 egg), a bag of white chocolate chips, sweetened condensed milk, graham crackers and some mini marshmallows.

Image of Yellow Cake Mix

Place your stick of butter, egg and cake mix into a large bowl.

Image of the Yellow Cake Mix in a Bowl

Anyone else love the smell of yellow cake….I mean love it?! Makes me so happy, lol!

Image of the Cake Batter

So, you’ll mix, mix, mix until you get this fabulous dough. Use your hands, much easier.

Image of the First Cake Layer

Press 1/2 of that dough into the bottom of a foil lined, 8×8 inch baking dish. Make sure you spray the foil generously with cooking spray.

Image of the Graham Cracker Layer

Top with a layer of graham crackers 🙂

Image of Mini Marshmallows

Top with a bag of white chocolate chips.

Image of the Marshmallow Layer

Next up….the mini marshmallows!

Image of the Second Cake Layer

Place the second half of the dough on top of the marshmallows.

Image of White Chocolate S'mores Gooey Cake Bars Ready for the Oven

Press evenly, does not need to be perfect 🙂

Image of Pouring Sweetened Condensed Milk

Drizzle on about 1/2 cup sweetened condensed milk and pop into the oven for about 30 minutes!

Image of White Chocolate S'mores Gooey Cake Bars in a Pan

These come out golden and beautiful. I perfer to cut off all edges about 1/2 inch, however save those edges for snacking 🙂  It just makes the squares perfect and pretty 🙂

Image of a White Chocolate S'mores Gooey Cake Bar

Starting from the bottom you have cake, graham cracker, white chocolate, marshmallow and more cake! Can’t tell you how good these are!

Image of White Chocolate S'mores Gooey Cake Bars on a Cake Stand

Image of a White Chocolate S’mores Gooey Cake Bar

White Chocolate S’mores Gooey Cake Bars

These White Chocolate S'mores Gooey Cake Bars are so chewy and decadent, and they're filled with your favorite s'mores flavors! This recipe uses white chocolate, but you can certainly substitute it with milk or dark chocolate if you'd prefer.
Course: Dessert
Cuisine: American
Prep Time 20 mins
Cook Time 30 mins
Total Time 50 mins
Servings: 14 servings
Calories: 327kcal
Author: Jenny
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Equipment

  • Oven

Ingredients

  • 1 box yellow cake mix
  • 1 large egg
  • 1 stick unsalted butter softened
  • 4 1/2 full graham crackers
  • 10 oz bag white chocolate chips
  • 2 cups mini marshmallows
  • 1/2 cup sweetened condensed milk

Instructions

  • Preheat oven to 350 degrees F. and line an 8x8 inch baking pan with tin foil that's been generously sprayed with cooking spray. Make sure foil goes all the way up and over the edges for this one. It will be a full pan.
  • Place cake mix, egg, and butter into a large mixing bowl. Mix with hands until a nice dough forms. similar to a cookie dough. Press half of the dough into the bottom of the prepared pan. Layer with graham crackers, white chips then marshmallows. Top with remaining half of dough pressing evenly.
  • Drizzle sweetened condensed milk over top then bake for 28-33 minutes, until cooked through and golden brown on top. Remove from oven.
  • Let cool for 5 minutes then take a plastic knife and run along edges to loosen marshmallow (this will make your life easier when pulling foil out of pan to remove bars Let cool completely then remove bars from pan with foil edges. Cut off all edges if desired, about 1/2 inch each side. I save the edges to snack on too. Cut bars into squares and serve. They are delicious room temperature or chilled.

Nutrition

Calories: 327kcal | Carbohydrates: 58g | Protein: 4g | Fat: 9g | Saturated Fat: 5g | Cholesterol: 20mg | Sodium: 341mg | Potassium: 128mg | Fiber: 1g | Sugar: 39g | Vitamin A: 52IU | Vitamin C: 1mg | Calcium: 155mg | Iron: 1mg
Keywords: cake bars, easy dessert recipe, oven s'mores, s'mores dessert, s'mores recipe, white chocolate cake

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125 Responses
  1. Tracey

    Its like you read my mind! You seem to grasp a lot approximately this, like you wrote
    the e book in it or something. I believe that you can do
    with a few p.c. to force the message house a little bit, but other than that, this is fantastic blog.
    A fantastic read. I will certainly be back.

  2. abby

    I made these this weekend but tweaked them a bit, I’m not a huge fan of graham crackers, so i used pepperidge farm chessmen cookies and OMG!

  3. Alison Strachan

    OMG we were so greedy we couldn’t wait for them to cool, cut them and made a mess. Not a good idea if you want them to be pretty when you cut them. These were DELISH!!! Will definitely make again and again!!

  4. Sarah

    I saw these on interest…sent my hubby to get the ingredients…and I am making them NOW!! Sharing with my best g/friend too!

  5. tworzenie stron internetowych

    It’s remarkable to visit this web site and reading the views of all friends on the topic of this piece of writing, while I am also keen of getting knowledge.

  6. leslie

    I tried these last night and they did not turn out like yours 🙁 I mean they are super yummy, but really thick and the white chocolate chips aren’t really melted. I am new to cooking/baking of any kind…help please!!!!

  7. patti

    these look good….i’m looking for something different to bake for our school’s bake sale for open house …. how would you suggest packing these to sale?

    thanks

  8. Sandy

    I just made these and they are so amazing that I have decided this is now my absolute favorite dessert. Thanks so much!!!

  9. Kelsey

    I had issues cutting them they were so gooey they didnt look clean cut at all and broke easy. Wanted to bring them to a dinner I was attending but they werent presentable, super yummy though!

  10. Emil

    This. is. amazing!!! Sinful, but amazing like I have never seen something like this before.. The sweetened condensed milk… wow….

  11. Georgia J

    These look so delicious! I have them in the oven now, a the condensed milk kind of settled in the middle I hope thats not a problem…I can’t wait to taste them!

  12. Lis

    These are AMAZING!!! My friend found these on Pinterest and brought them for dessert during our Pinterst Dinner night! She used milk chocolate chips instead of white and they came out awesome. She will be baking them with white chips as well. I just pulled mine out of the oven…made a batch for my co-workers! My kitchen smells AMAZING!!! Thank you for sharing your recipe!!!

  13. Stacey

    Made these this past weekend and took them to a party. They are DELICIOUS and so easy to make. Thanks for the great recipe!

  14. Kaci @ Kaci's Kitchen

    These are in the oven right now! We’re having a big party tomorrow night and I can’t wait to show these off 🙂 Thanks for the recipe!

  15. Adria

    These are super delicious. I made them this week for my daughter and her friends. Thank you for the great treat!

  16. Jason

    I’m making these this weekend for my nieces baby shower! She’s having a baby girl so I’ll use pink strawberry cake mix instead of yellow and cut them into cute little bite size triangles, how fun is that?!

  17. Sheila

    To die for soooooo good.thank you
    Question for you have you ever done 1 box cake mix for top and I box for bottom. Does it still come out? And oh of course calorie free

  18. Alexis

    I have had these pinned on my pinterest for a while now and I’m finally making them today. They look incredible…. thanks!!!

  19. Tiffany

    I made these when you first posted the recipies now everyone asks me to make these for them!!! i make these like 2 times a month because the recipie is a no-brainer! you cant mess up!
    i have a question though… can you just grease the pan well and not use foil?

  20. Tracy

    These are like crack, I told my boyfriend that the fact that I shared them with him was a true sign of our love haha. Thank you for this recipe I can’t wait to try your others!!!

  21. Kathleen Richardson

    I made them for the housewarming (Comment 47) and they were a hit! Since they were so-o rich, I cut them into bite size pieces and put each in a mini-cupcake paper. Was thinking the cut-off edges would be yummy broken up on vanilla ice cream.

    Next week I’m making them again for a local fundraiser. Think I’ll try them with regular chocolate chips, just for the color contrast. This time I can’t eat so many myself ☺

  22. Gina

    OK, mine just went into the oven! Except I was in such a hurry to make them, I left out the whole part about foil!!! Buttered the heck out of my glass pan, so we’ll just have to see how they turn out. Do you think I’m in trouble? We’ll find out in 30 min…

  23. Donna

    Someone made these at a party I was at this weekend and OMG I had to google the recipe. Just scrumptious that’s all I can say.

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