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Lucky Charms Bars

Lucky Charms bars are a fun spin on the classic marshmallow treat. The fun colors and shapes make them the perfect festive snack.
Cook Time 10 mins
Resting Time 2 hrs
Total Time 2 hrs 10 mins
Course Snack
Cuisine Baked Goods
Servings 12 bars


  • 1 large microwave-safe bowl
  • 1 9x13 baking pan
  • 1 silicone spatula


  • 10 oz small marshmallows
  • 2 tbsp salted butter
  • 10 oz Lucky Charms cereal


  • Melt 10 oz of small marshmallows and 2 tablespoons of salted butter in a large microwave-safe bowl in 45-second increments.
  • Stir the mixture every 45 seconds until completely melted.
  • Stir in 10 oz of Lucky Charms cereal.
  • Mix until all of the cereal is thoroughly coated in melted marshmallows.
  • Pour the mixture into a 9x13 baking pan lined with parchment paper.
  • Press the mixture into the pan using a silicone spatula.
  • Add extra cereal or rainbow sprinkles on top.
  • Allow treats to cool for at least 2 hours.
  • Cut into squares using a butter knife.
Keyword cereal bars, lucky charms bars, marshmallow treats