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Lucky Charms Rice Krispie Treats

Lucky Charms rice krispie treats in a baking dish.

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5 from 3 reviews

These Lucky Charms Rice Krispie Treats are made with 3 ingredients, loaded with gooey marshmallows and come together in under 15 minutes! These bars are just like the nostalgic treats you had as a kid, but with a twist. Plus, they're super easy and inexpensive to make!

Ingredients

Units Scale
  • 6 tablespoons (1/3 cup) salted butter
  • 16 ounces marshmallows (mini or regular-sized)
  • 6 cups Lucky Charms cereal

Instructions

  1. Line an 8x8 or a 9x9 inch baking dish with parchment paper. Leaving some overhang so you can easily grab the parchment to remove these bars from the dish for serving. 
  2. In a large pot, melt the butter over low to medium heat.
  3. Once the butter is melted, add the marshmallows to the pot and stir until they are completely melted and smooth. This will take several minutes. I like to use a sturdy rubber spatula or a metal spoon to stir.
  4. Remove the pot from the heat and stir in the Lucky Charms cereal or another cereal of your choice. Mix well until all of the cereal is coated with the marshmallow mixture.
  5. Pour the mixture into the prepared pan and press down evenly with a spatula or the bottom of a measuring cup. If you are struggling to spread out the sticky mixture, try greasing your spatula or measuring cup so it easily glides over the cereal. 
  6. Let the Lucky Charms Rice Krispie Treats cool and set for 20 to 30 minutes in the fridge before cutting them into 9 squares or 12 bars.

Notes

  • See the recipe post for more baking tips, substitutions, flavor variations and frequently asked questions.