Cookies and Cream Rice Krispie Treats (Easy 4-Ingredient Dessert)

By Jenna
July 14, 2025

Cookies and Cream Rice Krispie Treats (4 Ingredient Oreo Rice Krispies)

These Oreo Rice Krispie Treats are so simple to make – no baking and just 4 ingredients for the perfect gooey, delicious and easy dessert.
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Prep Time 5 minutes
Cook Time 5 minutes
Total Time 10 minutes
Servings 9 squares

Equipment

Ingredients
 
 

  • 6 Oreo cookies
  • 2 tbsp butter (salted or unsalted both work)
  • 3 cups mini marshmallows, plus an optional ¼ cup extra
  • 3 cups crispy rice cereal

Instructions
 

  • Crush the 6 Oreo cookies into a mix of big and small pieces (you can do this either in a food processor or with a resealable bag and a rolling pin or mallet) then set them aside
  • In a large pan over low heat, melt the butter
  • Add the mini marshmallows and leave them alone for 1-2 minutes until they melt – no need to stir, just make sure the heat is low
  • Add in the crispy rice cereal and mix; mix slowly and gently so the cereal does not spill over the sides of the pan
  • Stir in the crushed Oreo cookies; I like to stir in an extra ¼ cup of mini marshmallows as well so they stay whole, but that's totally optional
  • Transfer to a parchment paper lined heatproof dish of any kind and press flat using a spoon or spatula (see Note 1)
  • When it's cool enough, use parchment paper and your hands to press it flat again so it’s an even layer
  • Remove from the dish and cut into squares

Notes

Note 1: The parchment paper in this recipe is not strictly necessary, but it not only helps when pressing the bars into a flat layer, but also with removing the bars from the baking dish before cutting them. As a bonus, it makes cleaning the baking dish easier because the marshmallows are sticky.
Nutrition Facts are calculated automatically and may be inaccurate.

Nutrition

Serving: 1 squareCalories: 141kcalCarbohydrates: 26gProtein: 1gFat: 4gSaturated Fat: 2gPolyunsaturated Fat: 0.4gMonounsaturated Fat: 1gTrans Fat: 0.1gCholesterol: 7mgSodium: 66mgPotassium: 28mgFiber: 0.3gSugar: 13gVitamin A: 79IUCalcium: 4mgIron: 1mg
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