St. Patricks Day Rice Krispie Treats with Lucky Charms Marshmallows

Lucky Rice Krispie Treats 2

Lucky Rice Krispie Treats

I am huge fan of Rice Krispie treats! They’re super easy to make and taste delicious! My kiddos and I wanted to try a twist on the traditional Rice Krispie Treats and make them green and use Lucky Charms Marshmallows for St. Patrick’s Day!  I also like to add vanilla extract to mine to enhance the flavor a bit. I have seen cute versions of this treat with using Lucky Charms cereal but I love the texture and taste of traditional Rice Krispie Treats so we just added the Lucky Charm’s marshmallows separately at the end.


  • 1/4 cup of butter
  • 4 cups of soft marshmallows
  • 5 cups of Rice Krispie cereal
  • 1/2 teaspoon of vanilla extract
  • green food coloring (optional)
  • approximately 3/4 cup of Lucky Charm’s marshmallows – My kids and I picked them out of the Lucky Charms cereal box and set them in a bowl until we were ready to use them. Heaven help the person who pours themselves a bowl of Lucky Charms sans marshmallows! (hehehe! I’ll blame it on the leprechaun!)


Melt butter over low heat until completely melted. Gradually add marshmallows and stir often to avoid burning them. When marshmallow/butter mixture is completely melted, add 1/2 teaspoon of vanilla and your green food coloring and mix well. Remove from heat and stir in your Rice Krispie cereal. Once mixture is mostly combined, stir in the Lucky Charm’s marshmallows.  My kids and I picked them out of the Lucky Charms. If possible, store in an air tight container and they will stay softer longer! A ziplock bag works great!

Tanner loves Rice Krispie Treats

I think little Tanner man loved them the most, runny nose and all. 🙂

Lucky Rice Krispie Treats 2

Don’t forget to check out this cute little St. Patrick’s Day gift and printable too!

Have a great day!

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  • Reply
    Jennifer Jensen
    February 26, 2014 at 8:46 pm

    Looks tasty! Why can’t they make a cereal with just the marshmallows 😉

  • Reply
    February 28, 2014 at 6:42 am

    great idea!

  • Reply
    February 28, 2014 at 7:59 pm

    I’m a sucker for anything colored to match the holiday!! These are so cute ;o) Pinned.
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  • Reply
    March 10, 2014 at 10:18 am

    Hi there! I plan on making these for St. Patty’s Day! Are you using salted or unsalted butter? Thanks!

    • Reply
      Mallory & Savannah
      March 11, 2014 at 11:48 am

      I believe I used salted but the marshmallows will kind of mask the salt. I think either will work fine! 🙂

  • Reply
    March 14, 2014 at 2:30 pm

    how many treats does the recipe make?

    • Reply
      Mallory & Savannah
      March 14, 2014 at 10:29 pm

      The ingredients listed made one full 9×13 casserole dish full. The exact amount of treats would depend on what size you cut your squares. Hope that helps!! xoxo

  • Reply
    March 14, 2014 at 3:17 pm

    Hi, do you happen to know what amounts of the ingredients I would use if I wanted to make enough to fill an 11×13 glass pan for my office potluck?

    Thanks! 🙂

    • Reply
      Mallory & Savannah
      March 14, 2014 at 10:28 pm

      The ingredient amounts listed gave me a full 9×13 glass pan. Hope that helps you estimate for your pan size! Thanks!

  • Reply
    March 14, 2014 at 5:36 pm

    How much food coloring?

    • Reply
      Mallory & Savannah
      March 14, 2014 at 10:27 pm

      I didn’t count how many drops I just added and stirred and repeated until I got the color I wanted! Thanks!!

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    March 16, 2015 at 3:22 pm

    There is a local store here, Ben Franklin, that just sells the marshmallows. I’m going to make these for Bible study tonight. Thanks for posting the recipe.

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  • Reply
    March 19, 2015 at 11:38 pm

    these came out as hard as a rock
    i followed the directions as listed
    how do you get them softer…more butter? marshmellow?

    • Reply
      Mallory & Savannah
      March 23, 2015 at 11:08 am

      Hi Sara!

      The directions listed are exactly what I did and many readers have made them with success. Perhaps overcooking the butter and marshmallows?? Not sure what would’ve happened. Sorry!

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  • Reply
    March 16, 2016 at 7:07 pm

    This recipe does not tell how much food coloring to add. Please do not add the whole bottle, it does not work out well. Haha

    • Reply
      Mallory & Savannah
      March 16, 2016 at 10:26 pm

      Ya please don’t add the whole bottle! With food coloring you just add a few drops till you get the color you want!

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