Searching for a magically delicious treat? These leprechaun-approved St. Patrick’s Day Cookies are just what you need! So soft, and so irresistible… these sweet vanilla cookies loaded with Lucky Charms marshmallows are just begging you to have one more bite! Just 4 ingredients and your whimsical cookies are done!

Four St. Patrick's Day cookies with Lucky Charms marshmallows on plate.
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St. Patrick’s Day Cookies

Whether you’ve developed a deep love of Lucky Charms cereal over the years, or you’re just looking for the cutest little treat to serve up to your little leprechauns, these Lucky Charms cookies are for YOU!

In fact, they’re the #1 leprechaun approved cookie!

Kim writes: “These are awesome!”

Trust me, playing with your breakfast cereal is going to be so much fun!

These colorful cereal cookies are chock-full of your favorite nostalgic Lucky Charms marshmallows, in addition to rich butter and a dreamy vanilla cake mix.

This makes them completely irresistible and the perfect Cute St. Patrick’s Day Treats everyone will love! Just like these outrageous Marshmallow Lucky Charms Treats!

And just between you and me, these lucky leprechaun cookies really are magically delicious! 🙂

So get ready to indulge in a Lucky Charms adventure… that ends with a spectacular cookie party right in your mouth!

Here’s what you’ll need to get started…

Boxes of vanilla cake mix and Lucky Charms.

Ingredients

It takes just 4 simple ingredients to make the BEST St. Patrick’s Day cookies!

Just round these up on your next trip to the grocery store…

  • Vanilla Cake Mix – French Vanilla Cake Mix can be substituted.
  • Butter – Vegetable Oil or Canola Oil can be substituted.
  • Eggs
  • Lucky Charms Marshmallows – You can just pick them out of the cereal.

That’s it. Just 4 ingredients are all you’ll need. St. Patrick’s Day Cookies Recipes don’t get much easier!

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How to Make St. Patrick’s Day Cookies

It’s actually SO easy to make this magically delicious Lucky Charms cookie recipe!

Here’s what you’ll do…

Cookie dough with Lucky Charms marshmallows.

1. Separate your marshmallows from the cereal.

2. Then mix your cake mix, butter, and eggs together in a large bowl.

3. Carefully stir in some Lucky Charms marshmallows to the cookie batter with a large spoon. Set aside your remaining Lucky Charms marshmallows.

4. Now cover your dough, chill in refrigerator, then bake after chilled.

5. As soon as you remove them from the oven, press additional marshmallows onto the top of cookies while they’re still warm. That will give them a fun little decorated top.

Wire rack of Lucky Charms cookies.

Now all that’s left to do is transfer your cookies to a baking rack to cool, serve & DEVOUR!

See… I told you this was going to be easy!!

Cake mix cookies recipes like this truly are the ultimate lazy baking hack. They’re also the easiest way to create totally scrumptious cookies for St. Patrick’s Day!

Scroll down for the printable recipe card with detailed, step-by-step instructions.

Green plate of Lucky Charms cookies.

Storage Tips

After baked, you can store your homemade St. Patricks’ Day cookies at room temperature in an airtight container for up to 3 days. That makes these cookies an ideal make ahead treat for St. Patrick’s Day!

Lucky Charms Cookies on a green plate.

St. Patrick’s Day Cookies Reviews

Here’s What Your Frugal Friends Are Saying About This Easy St. Patrick’s Day Cookies Recipe…

Rebecca writes: “Yum! Delicious! So fun for St. Patrick’s Day!”

Kim writes: “These are awesome!”

More Easy Desserts Recipes For Kids


Did You Enjoy This Recipe? ⭐️⭐️⭐️⭐️⭐️ Leave a comment & review below!

St. Patrick’s Day Cookies

Searching for a magically delicious treat? These leprechaun-approved St. Patrick's Day Cookies are just what you need! So soft, and so irresistible… these sweet vanilla cookies loaded with Lucky Charms marshmallows are just begging you to have one more bite! Just 4 ingredients and your whimsical cookies are done!
Servings: 30 cookies
Four St. Patrick's Day cookies with Lucky Charms marshmallows on plate.
Prep Time: 15 minutes
Cook Time: 7 minutes
Chill Time: 20 minutes
Total Time: 37 minutes
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Ingredients 

  • 13.25 ounces Betty Crocker Vanilla Cake Mix, (if using a 15.25 oz. box, increase butter to 1/2 cup)
  • 1/3 cup Melted Butter, (Vegetable or Canola Oil can be substituted)
  • 2 large Eggs
  • 1 3/4 cups Lucky Charms Marshmallows

Instructions 

  • Gather your ingredients.
    Boxes of vanilla cake mix and Lucky Charms.
  • Separate 1 3/4 cups of Lucky Charms marshmallows from cereal, and set aside.
  • Combine Cake Mix, Melted Butter (or oil), and Eggs in large mixing bowl, and mix with hand mixer or stand mixer until well combined.
  • Then, with a large wooden spoon, gently stir 1 1/4 cups of Lucky Charms marshmallows into the batter, making sure not to break up the marshmallows as you stir.
  • Set the remaining 3/4 cup of Lucky Charms marshmallows aside for later. (You'll be using them to press onto the top of the cookies as soon as they come out of the oven.)
  • Cover dough and chill in refrigerator for 2 hours.
    Cookie dough with Lucky Charms marshmallows.
  • After dough has chilled, preheat oven to 350 degrees.
  • Line large baking sheets with parchment paper.
  • Form cookie dough into 1 1/2 tablespoon sized rounded balls and transfer to cookie sheet.
  • Bake on center oven rack for 7 – 13 minutes, or until done. (Note: Bake on the shorter end of the time range for non-stick cookie sheets & longer end of the time range for aluminum cookie sheets.)
  • As soon as you remove cookies from oven, gently press a few Lucky Charms marshmallows on top of cookie, to give it a pretty finished look.
  • Allow cookies to cool on cookie sheets for 5 minutes.
  • Transfer cookies to wire racks to finish cooling, and ENJOY!
    Wire rack of Lucky Charms cookies.

Notes

  • Butter: When it comes to cake mix cookies, salted or unsalted butter can be used, as the cake mix will have a little salt in it. However, I’ve found that salted butter will result in superior flavor.
  • Storage Tips: After baked, you can store these tasty cookies at room temperature in an airtight container for up to 3 days. That makes these cookies an ideal make ahead treat for St. Patrick’s Day!
  • FAQ’s: For answers to Frequently Asked Questions or tips for common substitutions and variations, please refer to the detailed information above this recipe card.
 
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About Heidi Miller

Heidi Miller is the creator of The Frugal Girls, where she shares easy recipes with massive flavor! She has been creating and sharing recipes online for over 15 years, and brings warmth, expertise, and a personal touch to every recipe. Her work has been featured on Today.com, NBC, Fox, Parade, People, Country Living, Woman’s World, and more!

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36 Comments

  1. Healthy World Cuisine says:

    The kiddos and adults are going to love these cookies. They are magically delicious with just 4 ingredients. Got to love that!

    1. Heidi says:

      Haha… so true, they really are magically delicious, and so easy to make!

  2. Kathrine Eldridge says:

    These look so yummy! I just had lucky charms last night as a snack. Lol! Thanks for sharing this recipe!

    1. Heidi says:

      That’s too funny, Kathrine… they really do just hit the spot sometimes, don’t they?

  3. Carol says:

    They look like spring with all the pastel colors. Pinned and tweeted!

    1. Heidi says:

      Thanks so much, Carol! 🙂

  4. Lisa says:

    These look yummy, Heidi, and so quick and easy to make too!

    1. Heidi says:

      Thanks, Lisa… they really are such a cinch to make!

  5. Lovely says:

    This looks fun!
    xoxo
    Lovely

    1. Heidi says:

      Thanks, Lovely… they really are such a cheerful little treat!

  6. Christine says:

    Now I am hungry!

    1. Heidi says:

      Haha… I wish I could send you some!

  7. Tasia ~ two sugar bugs says:

    This is such a fun cookie! I have always loved those colorful marshmallows and they add so much cheer to this easy cookie recipe.

    1. Heidi says:

      I agree, Tasia… the marshmallows have always been my favorite part of Lucky Charms! 🙂

  8. Black Knight says:

    This recipe is just in time for my daughter’s birthday! Thanks for sharing.

    1. Heidi says:

      You’re very welcome… enjoy your celebration!

  9. Veronica Lee says:

    Love the fun and cute lucky charm cookies!

    Happy Monday, Heidi!

    1. Heidi says:

      Thanks so much, Veronica!

  10. Val says:

    What a fun idea to use Lucky Charms on cookies! So cute.

    1. Heidi says:

      Thanks, Val! 🙂