Girl Scout Cookie Thin Mint Cake Bars

These gooey Thin Mint Cake Bars taste just like the classic Girl Scout Cookie in bar form! Grab your trusty thin mints and start baking!

Thin Mint Cake Bars Recipe

When Amanda and I got together in my kitchen, we created two incredible Girl Scout Cookie Cake Bars you are going to LOVE! I made mine with Thin Mint Cookies and Amanda made hers with the Peanut Butter Tagalongs. Both sooooo good! Take  a look!

Gooey Cake Bar ingredient line up!

How to Make The Best Mint Cake Bars

Let’s start with the cake mix and buttah!

Amanda, my lovely egg cracking model at work 🙂

Mix it all up. I always end up using my hands. Much faster.

In pieces, add the dough to the bottom of your baking dish.

Press dough evenly, does not have to be perfect.

Add some chocolate chips.

Time for some Andes mint pieces. You can always use the whole Andes mints and cut them up if you can’t find the pieces.

Pour over your cake dough.

Ahhhh, time for the Gooey part of the bars 🙂

Love this part. Drizzle time.

Time for those fabulous Thin Mint Girl Scout Cookies. I broke mine into pieces.

Time to bake! Here are both of our bars, mmmm!

Let these babies cool, cut into bars and enjoy!

Image of Girl Scout Cookie Thin Mint Cake Bars

Girl Scout Cookie Thin Mint Cake Bars

These gooey Thin Mint Cake Bars taste just like the classic Girl Scout Cookie in bar form! Grab your trusty thin mints and start baking!
Course: Dessert
Cuisine: American
Prep Time 15 mins
Cook Time 30 mins
Total Time 45 mins
Servings: 12 bars
Calories: 436kcal
Author: Jenny
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Equipment

  • Oven

Ingredients

  • 1 box yellow cake mix
  • 1 stick softened butter
  • 1 large egg
  • 1 cup chocolate chips
  • 1 cup Andes mint pieces
  • 1 small can sweetened condensed milk
  • 20 Thin Mint Girl Scout Cookies

Instructions

  • Preheat oven to 350 degrees F. and line a 9x13 inch baking dish with non stick cooking spray.
  • Place cake mix, butter and egg into a large bowl, mix until dough forms. Using hands is easiest to mix together. Press dough into bottom of prepared baking dish. Top evenly with chocolate chips and Andes mints. Drizzle sweet milk over top and top with broken pieces of Thin Mint Cookies. 
  • Bake for 30-35 minutes, until baked through. Immediately after removing from oven, take a plastic knife around edges to loosen. Let cool completely. Cut into squares and serve.

Nutrition

Calories: 436kcal | Carbohydrates: 71g | Protein: 5g | Fat: 16g | Saturated Fat: 10g | Cholesterol: 16mg | Sodium: 432mg | Potassium: 68mg | Fiber: 2g | Sugar: 47g | Vitamin A: 53IU | Vitamin C: 1mg | Calcium: 117mg | Iron: 4mg
Keywords: cake bars, cookie bars, cookie bars recipe, dessert bars, dessert bars recipe, mint recipe, thin mints recipe

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74 Responses
  1. Deena @ stay at home FOODIE

    Yum! Great way to move through the BOXES of girl scout cookies we have in our kitchen.

  2. pure2raw twins

    love thin mints! seriously our downfall 😉
    we saw these on instagram and could not wait to see the recipe! you are so creative!!! love it!

  3. Karen @ Sugartown Sweets

    YUM! Went to Brewsters tonight and they were OUT of Mint Chocolate Chip! I believe i’d rather have these! 🙂

  4. Jennifer | Mother Thyme

    These are incredible! What a clever idea. You have given me reason to grab a box of thin mints now! I can’t wait to try these fantastic looking bars.

  5. Liz (Little Bitty Bakes)

    I honestly believe all of my baked goods come out better when I use my hands to mix! And it is such a time saver. Love the look of these, thin mints have always been my favorite GS cookie!

  6. Jen @ Jen's Favorite Cookies

    How am I supposed to get anything done, when I know this recipe is out there? I’m going to be dreaming about this all afternoon! YUM!

  7. Taylor

    Hi Jenny!

    These look great! Question: why did you top the bars with the cookies instead of putting them under the sweetened condensed milk (like you did with the Gooey Cookies & Cream Double Chocoalte Cake Bars)? By the ways, I’ve made those tons, and they are always a huge hit!

    Thanks!

    Taylor

    1. Jenny

      Hi Taylor, I just wanted to be able to see the cookies on top for these, but you could certainly put them under the sweet milk if you’d rather 🙂 Hope you enjoy!!

  8. Amanda

    I think our baking adventure was my favorite part of the weekend! 🙂 Can’t wait for our next creation!! xoxo

  9. DessertForTwo

    These look scrumptious! My grandmother always used eagle brand milk (we call it that instead of sweetened condensed milk) in her desserts and they were always fantastic!

  10. Cassie

    I could not be more in love with these Jenny! Now to find another box of thin mints. This is brilliant!

  11. Jessica J

    Oh yum! Now I wish I had bought some girl scout cookies at the grocery store yesterday. Serious regret over here.

  12. Caroline @ chocolate & carrots

    I seriously need to find some Girl Scouts. I need my cookies so I can make these! 😀

  13. Elaine

    I am super glad I am a cookie mom! 🙂 I will definitely have to buy another box to make these!! 🙂 Only problem is having all the extra cookies may end up adding extra pounds to my hips!!

  14. Sally @ sallys baking addiction

    oh my goodness! Jenny these look wonderful… and SO very easy w/ the cake mix. i have leftover andes mint chips from mint chocolate chip cookies i made last week, so i will most definitely be making this sometime soon.

  15. Natalie @ Cooking for My Kids

    Seriously. I am hungry. Really hungry. But, these probably would not be a good thing to eat first thing in the morning. However, I will have to make them for the littles really, really soon.

  16. Cookbook Queen

    Oh my gosh, these look like perfection!! Perfect way to use some of these eleventy boxes of Girl Scout cookies I’ve stashed in the freezer.

    I may have over bought. It’s a problem.

    1. Jenny

      I am guilty of the same problem! Had my hubby buy out the girl scout that came to his work, lol! WE are totally stocked up for a while.

  17. Julie Chiou

    wow, what a brilliant idea!!! looks amazing!! i still have yet to get my hands on some girl scout cookies!!!!

  18. honeywhatscooking

    omg these look lethally good. your boys are just the luckiest. i love anything with condensed milk.

  19. Ellen @ The Baking Bluenoser

    Thin mints are my favorite type of girl scout cookie. They’re addictive! These look delicious, I love the drizzled sweetened condensed milk, it really does make it gooey and yummy. This recipe will be bookmarked for sure!

  20. Mindy

    Yum! I did something similar last week – I think I linked your original gooey bars recipe. Thanks for the inspiration – seeing as how I have about 6 more boxes of TM’s this is a great idea too!

  21. Sally @ Spontaneous Hausfrau

    These are perfect because I have exactly one sleeve of thin mints left. They will be meeting a gooey cake bar very soon 😉

  22. Amy M @ In the Mixing Bowl

    Oh my goodness, these look great! However, somehow I missed all the girl scouts and have none of their cookies?! I’m thinking Keebler Grasshopper cookies would also work, but I might have to hunt down Thin Mints!

  23. raquel@eRecipe.com

    I like the minty flavor. The cool feeling when eating the cake makes it very delicious. =)

  24. megan @ whatmegansmaking

    These look AMAZING! I just used up my thin mints for another fun treat, now I wish I had more to try this!

  25. Blog is the New Black

    I don’t even have words for this, and I have to agree with Avery! The two of your and your GS creations!!!!!

  26. Averie @ Love Veggies and Yoga

    I just saw Amanda’s and between yours and hers, VERY hard call to pick a winner b/c hers have peanut butter…but yours have mint. Both are faves of mine! And Thin Mints, hello, need a whole tube of those for a sitting 🙂

    I love that you guys did this tag-team synced up post. So fun!

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