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Lucky Charms Marshmallow Treat Bars 3

Lucky Charms Marshmallow Bar Treats for St. Patrick’s Day

Lucky Charms cereal mixed with marshmallows, and butter to make the most delicious crunchy and gooey treat bars!


  • 3 Tbsp. butter
  • 4 cups mini marshmallows
  • 5 cups Lucky Charms cereal
  • for garnish: reserve about 1/2 cup of Lucky Charms marshmallows
  • optional: green food coloring


  • In a medium saucepan over low heat, melt butter and mini marshmallows, stirring constantly.
  • Once melted, pour in cereal and mix until well-coated. (If using food coloring, add it to the melted marshmallows and stir well before adding the cereal)
  • Press cereal mixture into a greased 8 x 8 or 9 x 9 pan. Sprinkle with reserved Lucky Charms marshmallows.
  • Once set, cut into 9-12 squares and serve.