Birthday Cake S’mores Cookies

by Erin

Have your cake and s’mores too in these birthday cake s’mores cookies – with cake mix, sprinkles, marshmallows, chocolate and graham crackers mixed in.

Birthday Cake S’mores Cookies.
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I don’t shop very often these days due to financial constraints the past two months, but the most recent excursions I have had resulted in the purchase of primarily navy blue and coral colored items.

I cannot explain this gravitation as I am not doing do on purpose. Yet I have actually experienced this many times before where I find myself standing in the checkout line with a handful of similarly colored items.

I suppose my brain just gets stuck on one color when looking around it only allows me to see that color.

Birthday Cake S’mores Cookies on plate.

And then when it comes to food, I am all over the place most of the time. Take cake batter for example.

I’ve combined cake batter with all kinds of things, including peanut butter, but today is the first time I’ve paired it up with s’mores and I think they compliment each other quite well.

These birthday cake s’mores cookies have a cake batter cookie dough base with chocolate, miniature marshmallow bits, and grahams cracker pieces mixed in. And more sprinkles. Because why have just cake batter or just s’mores when you can have both!?

Stack of Birthday Cake S’mores Cookies.

One year ago: Corn Chowder with Zucchini and Orzo

Birthday Cake S’mores Cookies.


Yield: 2 Dozen Prep Time:
Nutrition facts: 200 calories 20 grams fat


  • 1-1/2 cups all-purpose flour
  • 1 cup white or yellow dry cake mix
  • 1 tsp baking soda
  • 1 tsp salt
  • 1 cup (2 sticks) unsalted butter, melted and cooled
  • 1 cup dark brown sugar
  • 1/2 cup white granulated sugar
  • 1 egg + 1 egg yolk, room temperature
  • 1 Tbsp vanilla extract
  • 1-1/2 cups semisweet chocolate chips
  • 1-1/2 cups white chocolate chips
  • 1/2 cup sprinkles
  • 1/2 cup Marshmallow Bits (or regular mini marshmallows, but be aware they may ooze)
  • 1/2 cup coarsely chopped graham crackers


  1. Sift together the flour, cake mix, baking soda, and salt; set aside.
  2. In a medium bowl, cream together the melted butter, brown sugar, and white sugar until well blended (1-2 minutes). Beat in the vanilla, egg, and egg yolk until light and creamy. Mix in the sifted ingredients in three batches until just blended. Fold in the chocolate chips, sprinkles, marshmallows, and graham crackers by hand.
  3. Roll 2 tablespoons of dough* into a ball that is slightly taller than wide and place on a plate or tray. Cover tightly and chill for at least 2 hours**, but overnight for best results (I’ve refrigerated for up to a week).
  4. Preheat oven to 375 degrees. Line cookie sheets with silicone baking mats (or parchment paper); set aside.
  5. Place cookie dough onto the prepared cookie sheets, about 2 inches apart.
  6. Bake for 8 minutes or until edges are barely golden (will look underbaked). Cool on baking sheets for 10 minutes before transferring to wire racks to cool completely. Store at room temperature in an airtight container.


*You can also use a 1/4 cup scoop and cook them another 2-4 minutes (will yield less obviously). ** Don't want to wait to chill? They will still bake just fine but the flavor/texture improves when chilled.

Did You Make This Recipe?
I want to see! Tag me on Instagram at @TheSpiffyCookie and hashtag it #TheSpiffyCookie.

Source: Adapted from Cookies and Cups, Averie Cooks. and my Favorite Chewy Chocolate Chip Cookies.

Birthday Cake S’mores Cookies

Post updated 6/9/2024, photo above is the original.

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Dorothy @ Crazy for Crust July 26, 2013 - 1:51 pm

What an awesome idea!

Joanne July 25, 2013 - 5:59 am

“why just have cake batter or s’mores when you can have both” – exactly. I need to live by this rule.

Averie @ Averie Cooks July 25, 2013 - 2:40 am

Thanks for the shoutout here and on Twitter! Your cookies look awesome, Erin!

I love putting graham crackers (and sprinkles!) in cookies. I have another graham cracker cookie coming next week. But I need one of yours right now :)

Tracey July 24, 2013 - 7:50 pm

I seriously love your creations – what could possibly be better than s’mores and funfetti combined in one treat?? I’d kill for one of these cookies to show up at my house for dessert tonight.

spiffycookie July 25, 2013 - 8:03 am

Awww thanks! You and I should set up a baking trade. Every month we send each other a box full of two or three of each baked item (ex: 2 or three of these cookies) we made throughout the month.

Kayle (The Cooking Actress) July 24, 2013 - 6:59 pm

YERSHHHH. I’m all about this.

I totally have bouts where I gravitate towards similar colors. I’m so broke I never shop either *sigh*

Emily @ Life on Food July 24, 2013 - 6:54 pm

I have come to the conclusion that anything S’mores is that much better. Cannot imagine these would be anything but wonderful!

Zainab July 24, 2013 - 12:04 pm

From personal experience, I know these cookies are AMAZING!!!

Julie @ Julie's Eats & Treats July 24, 2013 - 11:14 am

I do the same thing when shopping! Or when I get home and put it away and there are 10 other similar colored tops! Love the cookies :)


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