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Easy Lucky Charms Cookies

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Easy Lucky Charms Cookies -a sweet cookie dough base filled with Lucky Charms Cereal- the crunchy oat pieces & marshmallows. Sweet & crunchy!

My kids love it when I make easy festive treats for holidays – even holidays like St. Patrick’s Day, which we don’t really celebrate so much as make a cute treat or two for. These Lucky Charms Cookies are sweet and a combination of gooey (the marshmallows) and crunchy (the sweet oat cereal pieces). (You can grab the cereal online – here – if you need it. They also sell the only marshmallows edition of Lucky Charms here.)

Many of the Lucky Charms Cookie recipes I researched used a method of grinding up the oat cereal part of the Lucky Charms and putting it into the cookie dough – which I have to say was more work than I wanted to invest in these cookies for my kids and their friends. I just poured a couple cups of the cereal into the cookie dough, and loved how it added the crunchy and sweet marshmallow flavors and textures.

The marshmallows will get slightly melty as the dough bakes, so to keep these cookies looking really nice and festive, be sure to reserve some of the marshmallows to put on top of the cookies for the last minute or two of baking. They’ll look really nice this way and then the marshmallows won’t burn.

Easy Lucky Charms Cookies

Easy Lucky Charms Cookies -a sweet cookie dough base filled with Lucky Charms Cereal- the crunchy oat pieces & marshmallows. Sweet & crunchy!
Makes 16-22 cookies depending on size.
Plum Street Collective
Prep Time 8 minutes
Cook Time 8 minutes


  • 3/4 cup unsalted butter, softened
  • 3/4 cup white sugar
  • 1/2 cup brown sugar
  • 2 eggs
  • 1 teaspoon vanilla extract
  • 2 cups white flour
  • 3/4 teaspoon salt
  • 3/4 teaspoon baking soda
  • 3 cups Lucky Charms Cereal
  • 1 cup Lucky Charms marshmallows


  • Preheat the oven to 350°F.
  • In a stand mixer fitted with the paddle attachment, add the softened butter and sugars.
    Cream well until fluffy and incorporated.
  • Next add in the eggs and vanilla. Mix again until well combined.
  • Combine the flour, salt, and baking soda and mix well.
  • Add the combined dry ingredients to the wet and mix until combined.
  • Next,, add in the Lucky Charms Cereal. Mix in stand mixer until well combined (you will be adding additional Lucky Charms marshmallows part way through baking so it doesn't matter if the pieces of cereal in the dough crack – they will taste great well distributed.)
    But if you'd like to keep the pieces whole you can mix in the cereal by hand.
  • Scoop dough onto a parchment-lined cookie sheet and freeze for 15 minutes.
  • Once frozen, transfer 6-9 balls of cookie dough onto another parchment-lined cookie sheet and bake for 6 minutes.
  • After 6 minutes, remove from oven, and slightly press down rounded tops of cookies with the back of a small spatula.
    Then add the additional Lucky Charms marshmallows on top, placing several on top of each cookie.
  • Return to oven for 2 more minutes. This will allow marshmallows to bake and puff slightly without burning.
  • Remove from oven and let cookies rest for 5-10 minutes on cookie sheet.

I hope you get a chance to try out these Easy Luck Charms Cookies – and check out my other cookies here. Tag me with photos if you make these @plumstreetcollective on Instagram. Thanks for reading!

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