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4 from 1 vote

No-Bake Chewy Oreo Bars

No-Bake Chewy Oreo Bars are dessert bars that are made with a mixture of chopped Oreo cookies, mini marshmallows, and butter.
Prep Time10 mins
Chilling Time2 hrs
Total Time2 hrs 10 mins
Course: Dessert
Cuisine: American
Keyword: No-Bake Chewy Oreo Bars
Servings: 9 large bars
Calories: 312kcal
Author: Amanda Rettke--iambaker.net


  • 1 package (16 ounces) double stuffed Oreos, roughly chopped with ¼ cup reserved for topping
  • 1 bag (10.5 ounces) mini marshmallows
  • 4 tablespoons butter, room temperature


  • Spray an 8x8-inch baking dish with nonstick cooking spray or line with parchment paper. Set aside.
  • In a large microwave-safe bowl, combine marshmallows and butter.
  • Melt the marshmallows and butter in the microwave in 30-second intervals, stirring in between, until melted (about 2 minutes).
  • Add chopped Oreos (reserving ¼ cup for the topping) to the marshmallow mixture and stir.
  • Pour mixture into the prepared 8x8-inch pan and press into the pan with a spatula. Top with reserved chopped Oreo cookies.
  • Place pan in the refrigerator to set for at least 2 hours, up to overnight.


Calories: 312kcal