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Best Oreo Rice Krispies Treats

Thick, gooey, and packed with cookies and cream flavor. These no-bake bars use extra marshmallows and real Oreos for the ultimate texture.
Print Recipe
Prep Time 10 minutes
Cook Time 10 minutes
Total Time 1 hour
Servings: 16 squares
Course: Dessert, Snack
Cuisine: American
Calories: 210
Ingredients Equipment Method Notes

Ingredients
  

Base Mixture
  • 0.5 cup salted butter plus extra for greasing
  • 16 oz mini marshmallows divided use (1 bag + 2 cups)
  • 1 tsp vanilla extract
  • 5 cups Rice Krispies cereal
Mix-ins
  • 20 Oreo cookies roughly chopped
  • 5 Oreo cookies quartered for topping

Equipment

  • Large stockpot
  • 9x9 Baking pan
  • Silicone Spatula
  • Parchment paper

Method
 

  1. Line a 9x9 inch square pan with parchment paper and lightly grease with butter.
  2. Crush 20 Oreos into a mix of fine crumbs and coarse chunks. Set aside.
  3. In a large pot over low heat, melt the butter completely.
  4. Add 10 oz (one standard bag) of marshmallows to the butter. Stir constantly until fully melted and smooth. Remove from heat.
  5. Stir in vanilla extract immediately.
  6. Fold in the Rice Krispies cereal until fully coated with the marshmallow mixture.
  7. Gently fold in the crushed Oreos and the remaining 2 cups of fresh mini marshmallows.
  8. Transfer mixture to the prepared pan. Lightly press into an even layer using greased hands or a spatula. Do not pack tightly.
  9. Press the quartered Oreo pieces onto the top for garnish.
  10. Allow to set at room temperature for 1 hour before slicing into squares.

Notes

For best results, use fresh marshmallows. Stale marshmallows will not melt properly and result in hard treats.