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+ servings
Lucky charms cookies on a baking sheet.

Easy Lucky Charms Cookies with Cereal and Marshmallow

Allie Hagerty
Celebrate St. Patrick’s Day with Lucky Charms Cookies! These delightful treats are made with a nutty brown butter base and packed with colorful cereal and marshmallow bits.
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Prep Time 10 minutes
Cook Time 10 minutes
Time to Chill 1 minute
Total Time 21 minutes
Course Dessert
Cuisine American
Servings 25 cookies
Calories 134 kcal

Equipment

  • Saucepan
  • Large mixing bowl
  • Parchment-lined baking sheet
  • Wire rack

Ingredients
  

  • ¾ cup 1.5 sticks unsalted butter
  • 1 large egg
  • 2 large egg yolks
  • 2 teaspoons vanilla extract
  • ¼ cup 55g granulated sugar
  • 1 cup 156g light brown sugar
  • 1 ½ cups 221g all-purpose flour
  • ¾ teaspoon baking soda
  • ¾ teaspoon kosher salt
  • 1 ½ cups 70g Lucky Charms cereal
  • Flaky sea salt optional

Instructions
 

Brown the Butter:

  • Melt the butter in a saucepan over medium heat, swirling occasionally, until golden brown and nutty. Remove from heat and let cool slightly.

Make the Dough:

  • In a large mixing bowl, whisk the browned butter with the sugars until smooth. Stir in the egg, egg yolks, and vanilla extract until combined. Gradually fold the dry ingredients into the wet mixture until just combined. Gently stir in the Lucky Charms cereal.

Chill the Dough:

  • Cover the dough and chill for at least 1–2 hours, or overnight for best results.

Bake the Cookies:

  • Preheat the oven to 350°Fahrenheit (175°Celsius). Line a baking sheet with parchment paper. Scoop 2 tablespoons of dough into balls and place them on the sheet, spaced 2 inches apart. Bake for 10–12 minutes, or until the edges are lightly golden and the centers look just set.

Cool and Serve:

  • Remove the cookies from the oven and let them cool on the baking sheet for 5 minutes before transferring them to a wire rack. Sprinkle with flaky sea salt, if desired. Serve and enjoy!

Notes

  • Brown the Butter: Melt the butter in a saucepan over medium heat, swirling occasionally, until golden brown and nutty. Remove from heat and let cool slightly.
  • Make the Dough: In a large mixing bowl, whisk the browned butter with the sugars until smooth. Stir in the egg, egg yolks, and vanilla extract until combined. Gradually fold the dry ingredients into the wet mixture until just combined. Gently stir in the Lucky Charms cereal.
  • Chill the Dough: Cover the dough and chill for at least 1–2 hours, or overnight for best results.
  • Bake the Cookies: Preheat the oven to 350°Fahrenheit (175°Celsius). Line a baking sheet with parchment paper. Scoop 2 tablespoons of dough into balls and place them on the sheet, spaced 2 inches apart. Bake for 10–12 minutes, or until the edges are lightly golden and the centers look just set.
  • Cool and Serve: Remove the cookies from the oven and let them cool on the baking sheet for 5 minutes before transferring them to a wire rack. Sprinkle with flaky sea salt, if desired. Serve and enjoy!
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Calories: 134kcalCarbohydrates: 18gProtein: 1gFat: 6gSaturated Fat: 4gPolyunsaturated Fat: 0.4gMonounsaturated Fat: 2gTrans Fat: 0.2gCholesterol: 37mgSodium: 123mgPotassium: 31mgFiber: 0.3gSugar: 11gVitamin A: 262IUVitamin C: 1mgCalcium: 22mgIron: 1mg
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