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OREO O’s® Candy Corn Marshmallow Bars Recipe

OREO O's® Candy Corn Marshmallow Bars

With OREO O's at the base of these Halloween-inspired bars, you know they're delicious. Throw in some candy corn, some festive frosting drizzles and marshmallows, and you've got a spooky good treat.

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10 mins
prep time
stand mixer icon
30 mins
total time


OREO O's® Candy Corn Marshmallow Bars

Prep Time: 10 minutes
Total Time: 30 minutes


  • 5 cups OREO O’s® cereal
  • ¼ cup butter
  • 4 cups mini marshmallows
  • candy corn
  • Store brand orange and white frosting


  • Lay out a sheet of parchment paper on the counter.
  • Melt butter in a large pot over medium heat. Add mini marshmallows and mix until melted.
  • Pour in OREO O’s® cereal and mix together until combined.
  • With a spatula, lightly press the treat mixture onto your parchment paper.
  • Top with Candy Corn and drizzle white and orange frosting over the mixture.
  • Let treats cool about 15 min.
  • Enjoy your tasty treat!

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It’s the stuff breakfast dreams are made of! Chocolatey, crunchy O-shaped bites made with the OREO® cookie taste you love and a rich creme coating. This flavor combination gives you a bowlful of cookie milk that tastes so good you’ll finish it off with a smile.

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