Peanut Butter S’mores Cake Cookies

These Peanut Butter S’mores Cake Cookies are the ultimate oven s’mores recipe! One taste of these s’mores cookies will leave you feeling like you’re sitting around a campfire!

The Best S’mores Dessert Recipe

Cookies, cookies and more cookies! These simple cake cookies are such a hit and couldn’t be easier to whip up. Once you have your s’mores toppings and a cake mix, you are just about good to go!

Let’s take a look shall we?


Here’s your line up!

How to Make Peanut Butter S’mores Cake Cookies

One bowl folks, you can do this in your stand mixer if you prefer.

Add your cake ingredients to a large bowl.

I had my sweetie pie helping in the kitchen for these, what a treat!

He’s going to be quite the cookie maker when he gets older 🙂

Almost time to stir!

Alright, here we go!

Wait until you try this dough, mmmm!

Place your cookie dough onto your baking sheet.

Flatten each cookie and top with mini marshmallows.

Oh yah!!

Top each with a Hershey Bar rectangle.

Top with graham cracker pieces and time to bake!

You get little bites of heaven when they come out!

You’ll love these bad boys.

Image of Stacked Peanut Butter S'mores Cake Cookies

Peanut Butter S'mores Cake Cookies

These Peanut Butter S'mores Cake Cookies are the ultimate oven s'mores recipe! One taste of these s'mores cookies will leave you feeling like you're sitting around a campfire!
Course: Dessert
Cuisine: American
Prep Time 15 minutes
Cook Time 12 minutes
Total Time 27 minutes
Servings: 24 cookies
Calories: 164kcal
Author: Jenny
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  • Oven


  • 1 box yellow cake mix
  • 1 stick unsalted butter softened
  • 1 large egg
  • 1/2 cup creamy peanut butter
  • 2 large hershey bars 24 rectangles
  • 2 handfuls mini marshmallows
  • broken graham cracker pieces


  • Preheat oven to 350 degrees F. and line a large baking sheet with parchment or a silpat liner.
  • Place the cake mix, butter, egg and peanut butter into a large bowl, mixing to combine. I find it easier to use my hands towards the end.
  • Scoop dough with a medium scoop and place onto prepared baking sheet 1 inch apart. Flatten each cookie to 1/2 inch thick and top each with a Hershey bar rectangle, some marshmallows and some graham cracker pieces.
  • Bake for 12-15 minutes, until cooked through. Let cool for 10 minutes on baking sheet before transferring to cooling rack. Serve and enjoy!


Calories: 164kcal | Carbohydrates: 20g | Protein: 3g | Fat: 8g | Saturated Fat: 4g | Cholesterol: 17mg | Sodium: 186mg | Potassium: 64mg | Fiber: 1g | Sugar: 11g | Vitamin A: 128IU | Calcium: 52mg | Iron: 1mg
Keywords: best peanut butter cookies, best peanut butter cookies recipe, cake mix cookies, cake mix cookies recipe, easy peanut butter cookies, how to make s'mores in the oven, oven s'mores, s'mores recipe


Have a great day! Come back soon 🙂

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35 Responses
  1. Tushita

    These look so amazing. I would like to try them but I have some home made yellow cake mix,would like to use that. can you tell how much is one box(in grams).

  2. Teresa

    These are so creative and look incredibly delicious – I’m going to make them today. I have some graham cracker crumbs in my pantry, so I’m going to try rolling the dough in the crumbs before baking them. I love your site Jenny, thanks for sharing all your creations. Can’t wait to add your cookbook to my collection.

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  5. Jen @ The Scrumptious Pumpkin

    Peanut butter added to s’mores? Brilliant – this sounds so good!

  6. Angie @ Bigbearswife

    Peanut Butter = Hubby’s Favorite thing
    S’mores = Mine
    These would not last long in this house!

  7. Jen @ Jen's Favorite Cookies

    What a fun treat! Perfect for getting help from little hands. These would be so fun to take camping!

  8. Honey What's Cooking

    this just looks so yummy… your kiddies are so adorable. i’ve never baked with marshmallow, can you believe that?

  9. The Mrs @ Success Along the Weigh

    Is it wrong I want to put marshmallow ice cream between two of these and make an ice cream sandwich?

  10. Brian @ Easy Weeknight Dinners

    What a great idea! I love how the cookies stat with a cake mix. Every baker needs a secret dressed up cake mix in their recipe collection. My favorite is a pound cake mix…it is just about as versatile as a yellow cake mix.

  11. Julia {The Roasted Root}

    Your little helper is just adorable. I’m sure he enjoyed the delicious treats he helped make!

  12. Cassie

    I love the added graham crackers. These are awesome Jenny, cake mixes for cookies are the best!

  13. Maria

    Love your peanut butter addition! And I love S’mores cookies-still need to post my latest recipe:) Have a great day!

  14. Julie Chiou

    love that you turned a classic treat into cookie-form! haha, i laughed out loud when i saw that huge wad of PB..LOVE it!!

  15. Caroline @ chocolate & carrots

    Mmm…cookies!!! I love how perfect each and every one looks. My kind of cookie. 😀

  16. Averie @ Averie Cooks

    Awesome cookies, Jenny. Cake mix, marshmallows, grahams, chocolate…perfect.

    Your little helper is so cute. Love that he loves to help his mama in the kitchen!

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